而一个愿意为你笑而笑，为你哭而哭的人，你忍心去伤害么？

And the one who is willing to smile for you, for you cry and cry, you can hurt?

youdao

他说：“为笑而笑会导致员工工作情绪枯竭，不想工作，而这对于公司来说是不利的。”

He said: "smiling for the sake of smiling can lead to emotional exhaustion and withdrawal, and that's bad for the organisation."

youdao

这也许是因为法国人和德国人与波兰人一样，都比较真诚，更愿意表现出自己的真实情感，而不是为了笑而笑。

This may be because, like the Poles, the French and Germans place a premium on sincerity, preferring to show their true feelings, rather than mask them with a smile.

youdao

In any event,the fans of the personality theory shouldn't be laughing too hard, because they're going to have to say something similar.

而人格理论的拥护者也不该笑得太早，因为他们要说的也是一样。

耶鲁公开课 - 死亡课程节选

And so being able to just laugh at it and have a good attitude about it,

所以，我们可以对它一笑而过，并对它抱有良好态度，

印象深刻的展示会 - SpeakingMax英语口语达人

The general story of why we can't in general is because there's no surprise, there's no mock aggression, and also there may be a general deadening of self-stimulation.

为什么大部分人不能胳肢自己,是因为它在我们意料之内，没有打闹的侵略性，通常这种引自己笑的念头都会嘎然而止。

耶鲁公开课 - 心理学导论课程节选