sb's bark is worse than his / her bite 这句谚语，经常对应为中文的“刀子嘴、豆腐心，面恶心善”等说法。

【例句】
Maybe she is a bit tetchy but her bark is worse than her bite.
她可能脾气有点暴躁，但她是刀子嘴，豆腐心。

Don't let her frighten you - her bark is worse than her bite.
别被她吓倒了，她这人是刀子嘴豆腐心。