I burst out laughing, a fit of hysterical laughter which infects the maid also, though she doesn't know what it's all about.

这一阵歇斯底里的大笑也感染了那个侍女，尽管她不明白我在笑什么。

youdao

The air was filled with laughter and excitement as we ventured out as a family into the unknown business world to see what wonderful things would come.

当我们全家走进这个未知的商业世界，一起探知即将发生的精彩事物，空气中充满了欢笑声，洋溢着兴奋之情。

youdao

The first follower is what transforms a lone nut into a leader. (Laughter) (Applause)

第一个追随者将使一个孤独怪人转变为一个领导者。

youdao

When you're in a group doing something terribly aggressive and you are not--you don't feel like you're at risk you might laugh and laughter is a signal to other members of your group as a signal of solidarity and what you're doing together.

当你在群体在做具有强烈攻击性的行为时,你不会觉得自己有危险,你会笑,你笑是向其他群体成员传达一个信号,你们团结一致，共同进退。

耶鲁公开课 - 心理学导论课程节选

So you had, what, a three-parter? (Laughter.) What are the other two?

WHITEHOUSE: President Obama News Conference

First of all, I take full responsibility for the weather. (Laughter.) What a spectacular day for a congressional picnic.

WHITEHOUSE: White House Congressional Picnic

And after a brief and what I imagine was a difficult conversation with his wife -- (laughter) -- Elwood decided to continue his tests in his machine shop.

WHITEHOUSE: Standing Behind the American Auto Industry