你要是吃得那么多，是会发胖的。

If you eat so much, you will get fat.

《新英汉大辞典》

“你会像我一样开始发胖的。”她说。

"You will begin to get fatter just as I did," she said.

youdao

健康专家经常严厉批评他们出售使人发胖的食品。

Health experts regularly criticise them severely for selling food that makes people fat.

youdao

Each of you probably know, some of you may be in this category yourself, people who can eat like crazy and still not gain weight.

你们每个人可能都知道,你们中有些人是那种,怎么吃都不会发胖的人

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 already kind of fat. I'm worried about your health.

你已经有点发胖了，我真担心你的健康。

That's all实战 - SpeakingMax英语口语达人