He eats all the time but he never gets fat.

他总是在吃 但从来不长胖

You'll get fat if you eat so much chocolate.

你如果吃这么多巧克力就会发胖的。

People who gobble down their food and eat until they feel full are three times more likely to get fat compared with people who eat slowly and modestly.

喜欢狼吞虎咽和一直吃到自己感觉很饱的人，增肥的可能性比那些细嚼慢咽适量吃的人要高出三倍。

If you eat so much, you will get fat.

你要是吃得那么多，是会发胖的。

If you don't move, you get fat!

如果你不爱运动，你就会变得肥胖！

And I began to get fat.

我变得越来越胖。