1 [U] how heavy sth/sb is; the fact of being heavy 重量: The doctor advised him to lose weight (= become thinner and less heavy). 医生建议他减轻体重。He's put on weight (= got fatter). 他的体重增加了。The weight of the snow broke the branch. 积雪压断了树枝。

2 [C] a heavy object 重的东西: The doctor has told me not to lift heavy weights. 医生已叮嘱我不要提重物。

3 [C] a piece of metal that weighs a known amount that can be used to measure an amount of sth, or that can be lifted as a form of exercise 砝码；哑铃；杠铃: a 500-gram weight 500克的砝码She lifts weights in the gym as part of her daily training. 她在健身房里举杠铃，作为每天锻炼的一部份。 ☞picture at sport 见sport插图

4 [sing] something that you are worried about 精神负担: Telling her the truth took a weight off his mind. 把真相告诉她使他如释重负。