你变胖了英语怎么说？

You have gained weight.

来源：

这个表达方式来源于英语语法中对形容词的使用。“胖”是一个形容词，描述一个人或物体的外观，因此可以用来修饰名词来描述人或物体的状态。

例句：

John has gained weight since I last saw him.

I think I have gained weight because I've been eating too much junk food.

She looks like she has gained weight since her pregnancy.

中文翻译：

约翰自从我上次见到他以来体重增加了。

我觉得我吃了太多垃圾食品，体重增加了。

她看起来在怀孕以来体重增加了。