To gnash one's teeth so hard as to pierce the gums; to grit one's teeth in extreme anger or hatred, indicating intense fury or deep-seated resentment.
面对那些无理取闹的指责，他气得嚼齿穿龈，却不得不强忍怒火。
Faced with those unreasonable accusations, he gnashed his teeth until his gums hurt with rage, yet had to suppress his anger.
Era:
Ancient
Frequency:
Synonym:
Story:
During the Tang Dynasty, General Zhang Xun defended Suiyang and was respectfully known as "Zhang Suiyang."
He was valiant in battle and skilled at leadership.
During his campaign against the An Lushan Rebellion, he often shouted loudly to boost morale.
At one mobilization meeting, he was so impassioned that he gnashed his teeth until his gums were pierced.
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