If someone loses weight, they become lighter.

如果有人减肥 他们就会变得更轻

She's starving herself to try to lose weight.

她试图通过节食来减肥。

People will lose weight when they slim down with a friend.

人们若和朋友一起减肥，就会减轻体重。

He reacted testily to the suggestion he should lose weight.

有人建议他减肥，对此他很恼火。

This diet is suited to anyone who wants to lose weight fast.

这一食谱适合每一个希望迅速减肥的人。

I've limited myself to 1 000 calories a day to try and lose weight.

我为了试着减肥，限定自己每天摄入1 000卡的热量。