The smile froze on her lips.

她脸上的笑容僵住了。

《牛津词典》

He had a big smile on his face.

他笑容满面。

《牛津词典》

If a hot chick comes on to you, smile and walk away.

如果一个性感妞儿向你挑逗，你应该一笑走开。

《柯林斯英汉双解大词典》

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

Now, the person who is the mandated smiler, on three, please smile. One, two, three. Okay.

现在，要求微笑的一方，我数到三，微笑，一，二，三。

耶鲁公开课 - 心理学导论课程节选

The one on the right is a smile of greeting.

右边是打招呼的微笑。

耶鲁公开课 - 心理学导论课程节选

On the blocks I have a smile on my face, I'm not that serious any more, I'm racing more relaxed.

BBC: Injured Mark Lewis-Francis facing up to two months out

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

But he still remembers the day he came home and saw his father standing on the porch with a big smile on his face.

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