To be outwardly tough or defiant in words but inwardly soft-hearted; to talk big but have a kind or yielding heart.
他嘴硬心软，虽然平时爱开玩笑，但在关键时刻总是第一个伸出援手
He has a tough exterior but a kind heart; although he likes to joke around normally, he's always the first to offer help in critical moments.
Era:
Modern
Frequency:
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