释义：

lose weight 减肥

该词组可表示通过运动（work out）或节食（go on a diet）使体重减轻，如果要表达增肥，则可以用 gain weight 或 put on weight。

例句：

If I eat less, I'll lose weight.
少吃点的话，我可以减掉体重的。
You look like you've lost weight lately.
你最近好像瘦了点了。
She's been weak ever since and she's lost weight.
自从那时候开始她就一病不起，体重也日益减少。
I lost weight. My cholesterol went down.
我减肥了，胆固醇含量也下降了。

对话：

A: We both ate a lot of food over the holidays.
我们在假期的时候都吃了不少东西。
B: We'll need to diet so we can lose weight.
我们得节食减减肥了。