節食的用法和樣例：
例句
-
我正在節食。
I'm on a diet. -
你不必節食就已經夠瘦的了！
You're skinny enough without going on a diet! -
醫生說我得節食。
The doctor says I've got to go on a diet. -
我應該節食。
I'm supposed to go on a diet. -
我看你應該節食。
I think you should go on a diet.
