To flatter or deceive someone to their face while secretly harboring malice or criticism; to be two-faced and hypocritical with ill intent.
他总是对上司面谩腹诽，表面恭敬，私下却常抱怨。
He always flatters his boss to his face while secretly criticizing him, showing outward respect but often complaining in private.
Era:
Ancient
Frequency:
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