I've lost ten pounds since I started this diet.

这次节食开始以来我体重减了十磅。

《牛津词典》

I've lost six and a half pounds since I started my diet.

从节食以来，我体重已减轻了六磅半。

《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》

"More and more I realize that actually chronic disease prevention is very important and also that diet is one of the most important risk factors for chronic diseases."

VOA: standard.2010.06.25

Okay, so I'd like to end with a little show of diet books and diet plans.

这节课将以展示一些,减肥书籍和减肥计划作为结束

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They use food frequency questionnaires, which I mentioned before, surveys, and then biological markers like blood tests of certain things to see how diet is related to health.

研究员还运用食物频率调查表,我之前曾提到过,各类调查以及生物标志物,像是血液检测等手段,来研究饮食与健康之间的关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"I was not conscious about diet before but now I have got an idea to eat a useful amount only, " he said.

BBC: Nepal uses yoga to 'slim down' police

"I'm more careful about my diet now, I exercise regularly and I've not had any alcohol for about two and-a-half years, " he added.

BBC: Liver damage is 'silent killer' cirrhosis patient warns

For my wedding, I used a diet designed for overweight heart patients to use prior to surgery.

MSN: Your bridal diet challenge stories