Outwardly clever and charming but inwardly malicious and jealous.
小李表面上对同事和颜悦色，但背地里却常常抱怨和嫉妒，真是外巧内嫉。
Li Ming appeared kind and friendly to his colleagues, but secretly he often complained and was jealous, truly demonstrating outward charm and inward malice.
Next Idiom