第一，情景对话

A: Look what you did. It's so funny.

看你做的好事，太好笑了。

B: Tom, never laugh in another's face, it's very impolite.

汤姆，不要在众人面前奚落别人，那是非常不礼貌的。

A: Mom, I know that. I'll never do it again.

妈妈，我知道了，我再不会那么做了。

B: Good boy.

好孩子。

第二，词海拾贝

laugh in one’s face（公众侮辱某人，公众奚落某人，当面嘲笑某人）

e.g. Mary'll only laugh in your face if you say you love her.

如果你说你爱玛丽，你只会被她当面嘲笑。

e.g. People will laugh in your face if you tell them that you believe in such a foolish tale.

如果你告诉别人说你相信这样的无稽之谈，他们会当面嘲笑你的。

e.g. When I asked him for longer time to pay back the loan,he just laughed in my face.

当我向他要求延长还贷款的时间时，他只是当面嘲笑我。

e.g. I don't mind telling you that I made a point of laugh in his face as soundly as I thought he deserved.

我可以跟您直说我总是尽量当中奚落他，我认为就该这么对付他。