面露微笑
Smile on one's face
以上为机器翻译结果，长、整句建议使用 人工翻译 。
她面露微笑，但心里却十分气愤。
She smiled, but privately she was furious.
《牛津词典》
他面露微笑，我想我最好也回以微笑。
He smiled faintly and I thought it best to return his smile.
youdao
一个人呆着真好，不必面露微笑让自己看起来很愉快。
It was nice to be alone, not to have to smile and look pleased.
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