weight作为名词，意思是重量，分量，重，重物。weight作为动词，意思是在…上加重量，使负重，(用重物)固定，使加权。weigh是动词，意思是有…重，重，称重量，量体重(通常用磅秤)，认真考虑，权衡，斟酌。
weight用法：
①重量，分量
The kilogram is the international standard of weight.
公斤是国际通用的重量标准。
②重物
The dressmaker put small weight in the hem of the dress.
那裁缝把小块重物缝进连衣裙的下摆里。
③负荷，负担
With each breath, give your weight more and more to the ground.
每一次呼吸，都有更多的负担向地面排出。
④重要性，严重性，影响力
It is up to the jury to determine how much weight or consideration to give that evidence.
应该由陪审团来决定应该给予证据多大的重要性。
⑤使…变重
The net is weighted to keep it below the surface of the water.
这个网加了坠因而可没入水面以下。
weigh用法：
①称...的重量
A simple solution, then, was to melt down the crown, cast it into a cube and weigh it.
于是，最简单的办法是：将王冠熔化，铸成一个方块，称出它的重量。
②权衡
We have to weigh the cost of the new system against the benefits it will bring.
我们必须权衡一下起用新系统所需的成本和它将带来的效益。
③考虑
They were big powerful men, with not much capacity to weigh the consequences.
他们个个都是身材魁梧、强悍有力的人，凡事不太会考虑什么后果的。
扩展资料
表示“重量”地词还有heft。heft作为动词的意思是举，举起试测……的重量，重达。作为名词的意思是重（量），重要（性），势力，大半，大部分。
heft用法如下：
①重量
例句：
This power source has advantage of small volume, light heft, reliable working stabilization and wide waveband.
该电源具有体积小、重量轻、工作稳定可靠，频率范围宽的优点。
②举起
例句：
Also, adventurers can see the spirits of the fallen outside of Orgrimmar and Ironforge and can take a moment to heft a mug of Harvest Nectar to their memory.
而且，冒险者们可以在奥格瑞玛以及铁炉堡外面看见英雄们的灵魂，而且可以抽出一点时间举起一杯收割节的甘露献给英雄。
weigh是动词, 量度、重量的意思，weight是名词, 体重、重量的意思。
weigh [英][we?][美][we?]
(1)vt.称…的重量; 权衡，考虑; 用手掂估; 使吃重;
vi.具有重要性; 重量为; 起锚; 成为…的重荷;
n.权衡; 称重量;
(2)第三人称单数：weighs，现在进行时：weighing
过去式：weighed，过去分词：weighed，相关单词：Weigh。
(3)应用：He must weigh 25 pounds. 他应该有25磅重。
weight [英][we?t][美][wet]
(1)n.重量，体重; 重担，重任; 重要; [统]权，加重值，权重;
vt.加重于，使变重; 使负重，使负担或压迫; [统]使加权，附加加重值于;
(2)第三人称单数：weights，复数：weights；
现在进行时：weighting，过去式：weighted，相关单词：Weight。
(3)应用：Your weight is fine. 你的体重刚刚好。
weight和hight分别是weigh和high的名词。weigh是动词，weight是名词。50kg重，用weight，但要知道50kg重前，需要weigh一下。
weigh：
1.Weigh 作动词的基本意思是“称…的重量”。
Cao Chong thought of a way to weigh the elephant．曹冲想出了一个称大象的办法。
Can you weigh this letter for me please? 能帮我称一下这封信吗？
2. Weigh引申可以表示“仔细考虑某事物的相对价值或重要性等”，也就是“权衡”“斟酌”，为及物动词。
He weighed the ideas in his mind. 他在脑中权衡着这些想法。
He has to weigh his words when he talks to her. 他对她说话都得小心翼翼。
3. Weigh引申还可表示感伤、恐惧或忧虑的事给思想或精神带来压力，使人感到烦扰或悲痛。
固定短语weigh on表示“重压于；使苦恼”。
The wealth did not weigh on me. 这笔财富不再使我感到沉重。
Didn't the nurse's accident weigh on her at all? 这个护士的事故难道不使她苦恼吗 ?
weight:
1. Weight作名词基本意思是“重量，分量”，是不可数名词。
He gained some weight recently. 近来，他的体重增加了。
2. weights 砝码
He placed two weights in the scale pan. 他在天平盘上放了两个砝码。
3. Weight表示“重要性、严重性或影响力（的程度）”时也是不可数名词。
We had this understanding that courses were roughly the same weight.
我们已经了解到各门功课差不多一样重要。
4. Weight引申可表示“负荷，负担”，表示这种意思的时候它通常只用于单数形式。
The loss of the money has been a weight on my mind. 丢钱的事总是压在我心里。
5. 一般来说weight作为名词的情况使用得多一点，若它作动词则表示
to add to; makeheavy or heavier（使……变重，加重量于）；还可以表示
To cause to have a slant orbias（使倾斜：使有斜面或偏见）。
weigh是动词, 量度、重量的意思，weight是名词, 体重、重量的意思。
weigh [英][we?][美][we?]
(1)vt.称…的重量; 权衡，考虑; 用手掂估; 使吃重;
vi.具有重要性; 重量为; 起锚; 成为…的重荷;
n.权衡; 称重量;
(2)第三人称单数：weighs，现在进行时：weighing
过去式：weighed，过去分词：weighed，相关单词：Weigh。
(3)应用：He must weigh 25 pounds. 他应该有25磅重。
weight [英][we?t][美][wet]
(1)n.重量，体重; 重担，重任; 重要; [统]权，加重值，权重;
vt.加重于，使变重; 使负重，使负担或压迫; [统]使加权，附加加重值于;
(2)第三人称单数：weights，复数：weights；
现在进行时：weighting，过去式：weighted，相关单词：Weight。
(3)应用：Your weight is fine. 你的体重刚刚好。
weigh是动词, 量度、重量的意思，weight是名词, 体重、重量的意思。
weigh [英][we?][美][we?]
(1)vt.称…的重量; 权衡，考虑; 用手掂估; 使吃重;
vi.具有重要性; 重量为; 起锚; 成为…的重荷;
n.权衡; 称重量;
(2)第三人称单数：weighs，现在进行时：weighing
过去式：weighed，过去分词：weighed，相关单词：Weigh。
(3)应用：He must weigh 25 pounds. 他应该有25磅重。
weight [英][we?t][美][wet]
(1)n.重量，体重; 重担，重任; 重要; [统]权，加重值，权重;
vt.加重于，使变重; 使负重，使负担或压迫; [统]使加权，附加加重值于;
(2)第三人称单数：weights，复数：weights；
现在进行时：weighting，过去式：weighted，相关单词：Weight。
(3)应用：Your weight is fine. 你的体重刚刚好。
weigh
1.VERB有…重；重
It weighs nearly 27 kilos (about 65 pounds)...
它重近27千克（约65磅）.
This little ball of gold weighs a quarter of an ounce...
这个小金球重0.25盎司.
You always weigh less in the morning.
早晨体重总是会轻一些.
2.VERB称…的重量；称
The scales can be used to weigh other items such as parcels.
这台秤可以用来称包裹等其他物品.
3.VERB认真考虑；权衡；斟酌
She weighed her options...
她在各种选择间权衡斟酌.
He is weighing the possibility of filing criminal charges against the doctor...
他正在仔细考虑对那个医生提起刑事诉讼的可能性.
She spoke very slowly, weighing what she would say.
她讲话时斟酌再三,说得非常慢.
weigh up同weigh
The company will be able to weigh up the environmental pros and cons of each site...
这家公司将可以权衡每处选址在环境方面的利与弊.
You have to weigh up whether a human life is more important than an animal's life.
你必须权衡人的生命是否比动物的生命更重要.
4.VERB斟酌（字句）
He said the words very slowly, as if weighing each one of them.
他说话非常慢,好像每个字都要仔细斟酌.
5.VERB使烦恼；使忧虑
The separation weighed on both of them...
分离使他们两人都十分苦恼.
She knows how your brother's disappearance weighs upon you.
她知道你哥哥的失踪让你有多忧虑.
6.VERB对…有（重大）影响
Current economic hardships weigh heavily in young women's decisions to find salaried work...
目前的经济困难大大影响着年轻妇女在寻找有薪水的工作时的决定.
Human life weighed more with him than purity of policy...
人类生命对他而言比政策的纯洁性更重要.
There are many factors weighing against the meeting happening.
有好多因素影响了会议的召开.
weighed down
I was too weighed down by guilt to eat the sweet.
我满怀内疚,吃不下甜食.
例句
What do you weigh, like a buck ten?
你有多少钱拿10元面值的来称?
California court to weigh gay marriage ban.
加州法院权衡同性恋婚姻.
I weigh the value and potential of this nugget before I dole it out.
我在说之前我认真衡量了这件事的价值和潜在的可能.
Automation weigh packaging and checkout equipment.
自动化称重包装、检测设备.
Must all my luggage is weigh?
我的行李必须全部过磅吗?
weight
1.N-VAR重量；分量；体重
What is your height and weight?...
你的身高和体重是多少?
This reduced the weight of the load...
这减轻了负荷的重量.
Turkeys can reach enormous weights of up to 50 pounds.
火鸡能重达50磅.
2.N-UNCOUNT过重；分量重
A person's or thing's weight is the fact that they are very heavy.
His weight was harming his health...
他体重过重,这有损他的健康.
Despite the vehicle's size and weight it is not difficult to drive.
尽管车子很大很重,但它一点都不难开.
3.N-SING重心
He shifted his weight from one foot to the other...
他把重心从一只脚转到另一只脚上.
He kept the weight from his left leg.
他一直不让左腿受力.
4.N-COUNT哑铃；杠铃片
I was in the gym lifting weights.
我在健身房举哑铃.
5.N-COUNT砝码；秤砣；秤锤
6.N-COUNT（尤指需举起的）重物
Straining to lift heavy weights can lead to a rise in blood pressure.
用力提重物会导致血压升高.
7.VERB加重量于；使负重
It can be sewn into curtain hems to weight the curtain and so allow it to hang better.
可以把它缝到窗帘的褶边里增加重量,使窗帘更有垂感.
8.VERB权衡…的价值；加权重于
...a computer program which weights the different transitions according to their likelihood...
根据可能性的大小对不同转换进行加权处理的电脑程序
This takes account of the number of countries in which a company wins approval for a new drug, weighted by the size of each country's market.
这考虑到了允许一家公司的新药在本国上市的国家的数量,并依照每个国家的市场规模权衡其重要性.
9.N-VAR权重；重要性
The scientists involved put different weight on the conclusions of different models...
相关科学家对不同模型的结论给予不同的权重.
We had this understanding that courses were roughly the same weight.
我们已经了解到各门功课差不多一样重要.
10.N-UNCOUNT（事物的）分量,重量,重压
The weight of expectation was getting to them...
他们逐渐感觉到了期望带来的压力.
Companies found themselves collapsing under the weight of debts.
许多公司发现自己因债台高筑而濒临倒闭.
11.N-UNCOUNT重要性；分量
The fact that he is gone has given more weight to fears that he may try to launch a civil war...
他已经离开这一事实让人更担心他会发动一场内战.
Do you think, perhaps, that what happened today might lend weight to that criticism?
你觉得今天发生的事情可能会使那种批评加剧吗?
12.N-UNCOUNT重要性；影响力
Consumers generally place more weight on negative information than on the positive when deciding what to buy.
消费者在决定要买什么东西的时候往往更重视负面消息,而不是正面消息.
...the overwhelming weight Freud assigned parents in our development.
弗洛伊德认为父母在我们的成长过程中所起到的举足轻重的作用
13.N-SING负担；重担
The relief was indescribable. It was freedom after years of slavery. A great weight lifted from me.
如释重负的感觉是难以言喻的.这是受多年奴役之后的自由.我卸下了一个重担.
14.See also: weighting；
14.See also: dead weight；
15.PHRASE有分量；有影响力
That argument no longer carries as much weight...
那个论点不再具有那么大的影响力了.
Senator Kerry carries considerable weight in Washington.
参议员克里在华盛顿举足轻重.
16.PHRASE非常有价值；十分重要
Any successful manager is worth his weight in gold.
任何一个成功的管理者都是千金难求的.
17.PHRASE尽本分；做好分内事
He accused the team of not pulling their weight.
他指责这个团队没有尽到本分.
18.PHRASE仗势欺人；盛气凌人
19.PHRASE（利用自己的影响等）全力相助,鼎力支持
The administration is throwing its full weight behind the UN plan.
该政府正鼎力支持这项联合国计划.
20.a weight off your mind→see:mind；
相关词组：weight down
例句
They eat five times their weight in plants.
它们可以吃掉5倍于他们重量的植物.
Please state your height and weight.
请说明身高和体重.
Install balancing weight for rear lid.
安装后盖的平衡重.
Protocol identification method based on weight index is adopted.
采用了基于权重指标的协议判别方法.
Shipping cost varies with weight.
航运成本会随体重.
weight [weit]
n.重量,体重,重担
例句与用法:
The pillars have to support the weight of the roof.
这些柱子须承受屋顶的重量.
The full weight of decision-making falls on her.
决策的重任全落在她的肩上了.
He has put on weight since I last saw him.
自从我上次见到他以来,他又长胖了.
The loss of the money has been a weight on my mind.
丢钱的事总是压在我心里.
His opinion doesn't carry much weight.
他的意见没多少影响.
He gained some weight recently.
近来,他的体重增加了.
weigh [wei]
v.秤重量,衡量,重压
例句与用法:
He weighed in at several pounds below the limit.
他赛前量体重比规定限度少几磅.
It's been weighing on my mind for days whether to tell her or not.
我这几天心烦意乱,不知道应该不应告诉她.
The branches of the trees were weighed down by snow.
树枝被雪压弯了.
I weigh less than I used to.
我的体重比以前轻了.
He weighed the ideas in his mind.
他在脑中权衡着这些想法.
望，亲~
“weight”是名词，表示重量；“weigh”是动词，表示称...的重量。
“weight”为名词
1、[mass noun]a body's relative mass or the quantity of matter contained by it,
giving rise to a downward force; the heaviness of a person or thing
重量；分量；体重
例句：he was at least fifteen stone in weight.
他的体重至少有15英石。
2、 Physics the force exerted on the mass of a body by a gravitational field
【物理】 （引力场作用于物体上的）重力。
例句：As he came upstairs the boards creaked under his weight.
上楼梯时，木板在他身体的重压下吱吱作响。
“weight”为动词。
1、hold (something) down by placing a heavy object on top of it
在…上加重量，压住
例句：a mug half filled with coffee weighted down a stack of papers.
一只装有半杯咖啡的杯子压在一叠文件上。
2、attach importance or value to
视…为重要（或有价值），重视
例句：speaking, reading, and writing should be weighted equally in the
assessment.
评估时说、读和写应得到同等的重视。
“weigh”为动词。
1、[with obj.]find out how heavy (someone or something) is, typically using scales
（尤指用秤）称…的重量
例句：weigh yourself on the day you begin the diet.
开始节食的那天称一下你的体重
2、have a specified weight
重量为
例句：when the twins were born they weighed ten pounds.
那对双胞胎出生时体重10磅。
3、balance in the hands to guess or as if to guess the weight of
掂估…的重量
例句：she picked up the brick and weighed it in her right hand.
她捡起那块砖头，放在右手里掂量。
“weigh”为名词。
1、assess the nature or importance of, especially with a view to a decision or action
（尤指为了决定或行动而）考虑，斟酌
例句：the consequences of the move would need to be very carefully weighed.
这一行动的后果需要仔细考虑。
这里，weight和hight分别是weigh和high的名词
What's the height of Mount Qomolangma
He is 50 kilometers' weight.
要有不懂还可以问( ⊙ o ⊙ )啊！
weight和weigh意为“重量,称重”时主要是词性上的差别：
weight [weit]
n. 重量,体重
eg：He gained some weight recently. 近来，他的体重增加了。
The weight of the stuff is 5 kilograms .=The stuff weighs 5 kilograms .
weigh [wei]
v.称……的重量
eg：It weighs nearly 27 kilos .它重近27千克（约65磅）。You always weigh less in the morning. 早晨体重总是会轻一些。
对于这两个词的划线提问，经常进行同义句转换。
eg：The stuff weighs 5 kilograms .=The weight of the stuff is 5 kilograms .
How much does the stuff weigh?=What's the weight of the stuff?