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他皮笑肉不笑的，真虚伪。
He's fake when he wears a plastic smile.
youdao
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只有两种格式的肖像画：一本正经的，和皮笑肉不笑的。
There are only two styles of portrait painting: the serious and the smirk.
youdao
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只有两种格式的肖像画：一本正经的，和皮笑肉不笑的。
There are only two styles of portrait painting: the serious and the smirk.
youdao