She's always on a diet—she has issues about food.

她经常节食—她担心吃得太多。

《牛津词典》

I'm forever on a diet, since I put on weight easily.

我一直在节食，因为我的体重很容易增加。

《柯林斯英汉双解大词典》

We existed on a diet of rice.

我们靠吃大米过活。

《牛津词典》

Getting plenty of sleep, reducing stress and eating a diet high in vitamins and minerals can also help.

VOA: special.2010.05.19

Now we talked before about a diet that would follow the glycemic index, that's another pretty helpful method to follow.

我们之前还谈论过,基于血糖指数的饮食法,那是另一种健康饮食法之一

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

you're on a diet and you're on an exercise program.

你在节食，并且有一个健身计划。

I'm ~ing 课堂 - SpeakingMax英语口语达人

At the tiny, deli counter-style Monk Bar Chocolatiers, a diet-threatening array of treats is on display.

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Spark's software won't allow someone to program a diet less than 1, 200 calories a day.

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Some 54 million Americans are currently on a diet, according to the International Food Information Council.

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