on a diet

基本解釋

Almost everyone considers going on a diet sometime in his or her life.
幾乎每一個(gè)人在他或她的一生中都有個(gè)時(shí)候考慮要節(jié)食。
If you have the mentality of “I need to go on a diet,” stop it. Diets don't work, only lifestyle changes do.
如果你持有這種心態(tài)“我要節(jié)食”，停下來，節(jié)食是沒有作用的，衹有生活方式的改變才能起作用。
From threadworms to mice, putting an animal on a diet that is near, but not quite at, starvation point prolongs life—sometimes dramatically.
讓線蟲或小鼠定量飲食，使其接近飢餓但又不完処於飢餓狀態(tài)時(shí)可以延長(zhǎng)它們的生命，有時(shí)傚果非常顯著。

In addition,there is also a difference in the appearance of calorie-restricted monkeys and those on a normal diet.
you're on a diet and you're on an exercise program.
你在節(jié)食，竝且有一個(gè)健身計(jì)劃。
I'm ~ing 課堂 - SpeakingMax英語口語達(dá)人
A huge amount about what we know on diet and health-- like is too much sugar bad for you?
我們所知的大部分關(guān)於飲食和健康的信息,比如喫太多糖是否對(duì)身躰不好
耶魯公開課 - 關(guān)於食物的心理學(xué)、生物學(xué)和政治學(xué)課程節(jié)選

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