get mad

1.

When Bob gets mad, you can't hold him down.

当鲍勃生气的时候，你都抑制不住他。

2.

A man bitten by a dog, no matter whether the animal is mad or not, is apt to get mad himself.

让狗给咬了的人，不管那畜生是疯或是不疯的，他自己总要疯起来(生气)。