The paper entitled "Is Crying Beneficial?"

VOA: special.2009.01.28

And she is crying and crying at her desk.

她趴在办公桌上哭个不停。

You look 课堂 - SpeakingMax英语口语达人

The crying of babies is aversive to babies.

婴儿讨厌听到别的婴儿哭。

耶鲁公开课 - 心理学导论课程节选

And she feels proud that she was able to do it. "Sometimes you can feel defeated when you have to study for a test and your baby is crying or something else is going on,"

VOA: standard.2009.12.04

For one thing, one theory is that babies hear other babies cry, because babies are so stupid they think they themselves are crying; if they're crying they must be in some sort of pain so they cry some more."

例如，有理论说婴儿听到别的婴儿哭，因为婴儿都笨得要命,他们以为是自己在哭;,他们会以为自己哭了，那一定是痛了,所以他们就哭得更厉害”

耶鲁公开课 - 心理学导论课程节选

And there is more to learn. Jonathan Rottenberg says the science of crying is still in its infancy.

VOA: special.2009.01.28

but the friend does not look like he is in a good mood. In fact, he had many drinks and he's crying.

但你的朋友看起来情绪不佳。事实上，他喝了很多，并且在掉眼泪。

It seems 课堂 - SpeakingMax英语口语达人

It is a song about laughing and crying.

VOA: special.2009.04.19

And the movie is so sad that you can't stop from crying really loudly

这部电影太令人感伤了，你控制不住地哭出声来。

I can't help but 课堂 - SpeakingMax英语口语达人

"Salvador is a Hispanic kid. He told me he's no wimp, but he was crying - a wimp, I just want to change."

VOA: standard.2010.04.29

"This is just something that is unbelievable. And when I first found out about it I actually started crying because,um,I'm gonna now too, because it is such a help."

VOA: standard.2010.02.20