笑容可以缓解压力：笑的时候，你的身体会自动释放内啡肽，即使笑的很勉强。

Smiles Relieve Stress: Your body immediately releases endorphins when you smile, even when you force it.

youdao

即使跌倒了也要豪迈的笑。

Laugh loudly even when you fall down.

youdao

他一直是一个听话的孩子，即使受了坚信礼，仍然是如此。人们不应该笑他！

If his parents were not with him — that he had always been a good boy hitherto, and would still be so now that he was.

youdao

I think both of us would love to see your smiling faces, or at least your faces, even if you're not smiling at us every day.

我觉得我们俩都想,看到你们微笑的脸，或者至少是你们的脸，即使你们不是每天都朝着我们俩笑。

麻省理工公开课 - 计算机科学及编程导论课程节选

You know, even some goes pass you on the street and you don't smile ostensibly you don't smile-- there are certain micro-muscles in your face that are moving that actually make you feel better.

即使路人与你擦身而过时，你没笑,表面上你没有笑-,但你面部的细微肌肉,会收缩，让你感觉更好。

哈佛公开课 - 幸福课课程节选