The barman beamed a warm smile at her.

酒吧侍者对她热情地微笑。

《牛津词典》

Sometimes she stopped to smile at me or blow a kiss.

有时她会停下来对我微笑或给一个飞吻。

youdao

When was the last time you flashed a fake smile at the office?

你在办公室最近一次的假笑是什么时候呢？

youdao

He looks directly at the camera with the suggestion of a smile.

VOA: special.2009.08.09

So, if you smile at somebody, and you just hate their guts but you want to smile at them, it's--unless you're quite gifted it's difficult to fake a really good, really happy smile.

所以，你对某人微笑，你很讨厌他们，但你要对他们微笑，除非你很有天赋,很难去假笑，伪装真正的微笑。

耶鲁公开课 - 心理学导论课程节选

They'll smile appropriately, making an important point that smiling is not learned by looking at other people's faces.

他们会适当地微笑，说明微笑不是学习的,通过观察其他人的面部表情。

耶鲁公开课 - 心理学导论课程节选

Stand tall, smile at people who make eye contact and figure out who to approach next.

FORBES: Mastering the Cocktail Party in 25 Steps

It gave us pause to smile at each other and move on our busy way.

FORBES: Remembering Andy Rooney and the Tiffany Network

He also flashed a broad smile at times to diffuse the awkward translation delays.

FORBES: Obama And Hu: Lost In Translation