拊膺切齿 fǔyīngqièchǐ gnashing one's teeth Definitions Defs Origin Strokes Stroke Words Sentences Sents 拊膺 fǔyīng to beat one's breast To slap one's chest as a sign of extreme distress, indignation, or sorrow.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.