Teachers at New Oriental often tell some jokes to vitalize the class.

新东方老师总是讲些笑话，不会是使课堂重要吧？对了，是使课堂有生机。

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Tell a few jokes you know they'll enjoy, share some comics from the paper ore-mail with them, watch the Letterman show together.

说几个你知道他们准乐的笑话，分享一些报纸上的漫画或用电子邮件交流，一起看脱口秀。

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If you are with your friends, you can tell some funny stories and jokes and making other people happy is the highest expression of success.

当你和朋友走在一起的时候，可以说说幽默的笑话或有趣的话语，让她们快乐起来，而这时你也就会快乐了。

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Some comedians tell nice jokes that you can tell to your kids.

CNN: If you don't want to hear an edgy joke, don't listen