切齿腐心 (切齒腐心) qiēchǐ fǔ xīn

qiēchǐ fǔ xīn set phrase to gnash the teeth in anger
Domain: Idiom 成语
Notes: (CC-CEDICT '切齒腐心'; Guoyu '切齒腐心'; Mathews 1931 '切齒腐心', p. 111)