I'm supposed to be on a diet.

我应该节食的。

On a diet? What do you mean?

节食？ 什么意思？

You've gained weight; you need to go on a diet.

你变胖了，需要节食了。

Say your goal is to lose weight by dieting and cutting off sweets.

比如说你的目标是节食减肥，不吃甜食。

What do you think the dangers of dieting are?

你觉得节食有哪些危险？

No, but I want to go on a diet.

没有，可是我想要节食。

That's plenty of time to go on a diet and start exercising.

足够你节食和开始运动。

Diets are hard to continue doing over time.

节食很难持续一段时间。

No, thanks. I'm supposed to be on a diet.

不，谢谢啦。我应该节食。

I don't want any fried chicken. I'm on a diet.

我不想吃炸鸡。我正在节食。

Yep. Slow and steady. No fad diets, no pills.

慢慢地瘦 没节食也没吃药。

You need to diet to watch your weight.

你需要节食来控制体重。

What's the difference between eating less food and eating no food?

节食和绝食之间的区别是什么呢？

I am on a diet. Do you have a vegetarian menu?

我在节食。你们有没有素食菜单?

He began his diet a week ago.

他是一星期前开始节食的。

Overall, more women reported being on a diet than men.

总的来说，报告节食的女性多于男性。

You've gained weight. You need to go on a diet now.

你胖了，现在就该节食了。

Dudley's diet isn't going too well.

达的节食计划行得不太成功。

Such confessional Tweeting may help dieters stay honest.

这种忏悔式的微博也许能让节食者保持坦率。

Poison. - Do you think that this is the best week to be doing this?

毒货啊 -你觉得这周节食合适吗？