Most people, generally speaking, are ready to smile back when they are smiled at.

一般来说，有人对自己微笑时，大多数人都准备好以微笑回应。

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Many mothers smiled from ear to ear when they got the news that children could go back to school.

听到孩子们可以重返学校的消息，许多母亲都笑得合不拢嘴。

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

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

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Minor connected after a two-out single by Chris Johnson, and they smiled the whole way from home plate back to the bench.

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