Your smile is a sign of kindness.

你的微笑是善意的表现。

youdao

When someone feels stressed from his or her teachers or parents, your smile is like the sun breaking through the clouds, and your smile can help him or her realize that all is hopeful that there is still joy in the world.

当一个人感到来自他或她的老师或父母的压力，你的微笑就像阳光破云，你的微笑可以帮助他或她意识到一切都是充满希望的，世界上还有欢乐。

youdao

When someone feels stressed from his or her teachers or parents, your smile is like the sun breaking through the clouds.

当有人从老师或父母那里感到压力时，你的微笑就像冲破云层的太阳。

youdao

From your little lettuce hair, to your rosy ketchup cheeks, right down to your mustard smile!"

VOA: special.2009.08.21

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

I spoke up and said,'Hi,I'm Jimmy. Your song 'Sara Smile' got me a record deal, and I just wanted to say thanks."

VOA: standard.2009.12.30

Disarm the audience with your smile and when appropriate, smile with frequency during your talk as well.

FORBES: 21 Ways to Win at Public Speaking

Your smile, your pizzazz and whatever charm you have will come through more to the host and producer in-person.

FORBES: Radio Tips -Media Training

Ms. REEVES: (Singing) I concentrate on you, on your smile so sweet, so tender, when at first your kiss I declined.

NPR: Taking On the Billie Holiday Catalog