He had lost weight and the suit hung loosely on him.

他体重减轻了，这套衣服穿在身上松松垮垮的。

The boy appeared anxious, had lost weight and was not sleeping well.

那个男孩显得很焦虑，体重减轻了，觉也睡不好。

He lost weight with diet and exercise.

他通过节食和锻炼减肥。

I've lost weight.

我最近体重减轻了。

Her dress has become loose, and she appears to have lost weight.

她的衣服变松了，看来是减肥了。