It's healthier to be slim./苗条更健康。
A: I try to stay slim.
A: 我努力维持苗条。
B: So do I. But it's hard. You have to exercise and watch your diet.
B: 我也是。但非常难。你得做运动，并且注意饮食。
A: I know. I'm careful about my diet.
A: 我了解。我对饮食非常小心。
B: So am I. It's healthier to be slim.
B: 我也是。苗条更健康。
A: Yes, it's healthier and you look better.
A: 是的，苗条更健康，而且你看着更好看。
B: And you feel better, too.
B: 你也感觉更舒服。1. Many people nowadays talk about how they watch their diet, diet: I'm careful about my diet. / I'm careful about my diet.
目前不少人都谈论他们是如何注意饮食的，diet /饮食: I'm careful about my diet. /我对饮食非常注意。Notes 注解
2. Most people believe looks and health are related1. You can say: It's healthier to be slim. / It's healthier to be slim; You look better /You look better;You feel better, too. /You feel better, too.
大部分人相信外表和健康有关系。你可以说：It's healthier to be slim. /苗条更健康；You look better /你看着更好看；You feel better, too. /你也感觉更舒服
