B-20:blue in the face 很生气

A:You are blue in the face, aren't you?

A:你面红耳赤的，生气了吗?

B:The cat has eaten my fish, I'll kill it.

B:猫吃了我的鱼，我要杀了它。

A:But supposing your son killed the fish, what do you think then?

A:假如你儿子弄死了鱼，那你会怎么想?

B:I'll beat him.

B:那我会揍他一顿。

A:So beat the cat, but don't kill it.

A:那么就把猫揍一顿，但是别杀它。