英文中『减肥』怎么说才地道？

lose weight 和 on a diet 都有减肥的意思，但是用法有区别on a diet = 节食减肥比如：别人给你吃的I'm good. Thanks. I'm on a diet. 不用了，谢谢。我在节食减肥。lose weight1. 减肥，不限于节食，可以是各种方法，意思更宽泛I'm good. Thanks. I'm trying to lose weight. 不用了，谢谢。我在节食减肥。 2. 瘦了，减掉肥肉You look like you lost some weight. 你看起来瘦了哦。例句：I want to lose weight because this holiday season I've eaten way too much. 我想减肥，因为这个假期吃的实在太多了。I've been on a diet for 3 weeks. And I lost 10 pounds! 我节食三周了，减掉了10磅！ Congratulations! 希望大家都减肥成功哦~ 或者根本不肥 就像我…I've been trying to lose weight for a year. Nothing happened. 新浪微博 @意趣英语公众微信 YiQuEnglish