In television's you in smile, simple singing.

电视机里的你在微笑，简简单单的唱着歌。

youdao

If you smile and have confidence, you will think in a more positive way, and then you will feel more comfortable when you are coping with the stress.

如果你微笑、自信，你会以更积极的方式思考，而当你应对压力时你会感到更舒适。

youdao

Cheer up! When you smile in front of it, it will also smile at you.

振作起来！当你对它微笑时，它也会对你微笑。

youdao

But the look on everyone's face, when you are finished and packing, it is the best smile in the world;

VOA: special.2009.03.22

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

Hip and partylike atmosphere -- the minute you walk in, you smile.

FORBES: Fact And Comment

Typically, someone who is in agreement with you will smile and nod as you speak. (Disagreement shows up in compressed or pursed lips, clenched jaw muscles, or a head turned slightly away, so eye contact becomes sidelong.) But smiles are often used as a polite response and to cover up other emotions.

FORBES: Body Language Savvy for Sales

Things like the affectionate touch to your face, the knowing smile when you do something nice for someone, the tear in their eye when you are sad or have been hurt by life, the smile when you are happy and they are sharing in it, the arms that hold you close daily.

FORBES: How to Turn Your Man into Mr. 50%