切齿腐心 qièchǐfǔxīn to hate with all one's soul Definitions Defs Origin Strokes Stroke Words Sentences Sents 切齿 切齒 qièchǐ verb to gnash one's teeth To grind or clench the teeth together, used to express extreme hatred or anger; often appears in the phrase 咬牙切齿 yǎoyáqièchǐ.腐心 fǔxīn extreme hatred Extreme hatred or resentment; deeply felt anger