刀子嘴,豆腐心 [ㄉㄠ ˙ㄗ ㄗㄨㄟˇ , ㄉㄡˋ ˙ㄈㄨ ㄒㄧㄣ; dao1 zi5 zui3 , dou4 fu5 xin1] to have a sharp tongue but a soft heart ◄ ►