1·Don't go on a diet.
不要节食。
2·When I go on a diet, I eat only fruit, and that takes off weight quickly.
当我节食的时候，我只吃水果，这样可以快速减重。
3·I'm supposed to go on a diet.
我应该节食。
4·Helen: I need to go on a diet.
海伦：我需要节食减肥。
5·Mary's supposed to go on a diet.
汤姆和玛丽应该节食。
6·Go on a diet, save money, don't spend.
节食、攒钱、不花钱。
7·It seems to me you should go on a diet.
好像你该节食了。
8·I love food too much to go on a diet.
我太爱美食以致于无法节食。
9·I’m supposed to go on a diet / get a raise.
我应该节食/涨工资。
10·The doctor says I have to go on a diet.
医生告诉我不要再继续做这件工作了。