They smiled at one another, somewhat falsely.

他们相互微笑，有点假惺惺地。

《柯林斯英汉双解大词典》

They smiled uncertainly at one another.

他们犹豫地相视而笑。

《牛津词典》

When he asked the villagers on the banks of the river where he could find the legendary artist, they smiled and pointed down the river.

当他问河岸上的村民，在哪里可以找到这位传奇艺术家时，村民们笑了，指着河的下游。

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They spoke Russian. Not knowing the language, Bourke-White smiled in agreement at each man as he spoke.

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They smiled. I pointed my finger at them and said, " If you keep this up, you'll both go crazy but let me know what happens as you go along."

他们笑了，我指着他们说“,如果你们继续这样，你们都会疯的,但你们继续的时候得让我知道“

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And when they smiled back, which they did suddenly, they displayed rows of perfect teeth.

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They smiled at one another and waved their hands in the air, showing the victory sign.

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We made eye contacts with the audience, and they smiled back at us.

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