Vocabulary What does 歯を食いしばる (はをくいしばる) mean? 歯を食いしばる (はをくいしばる) means to grit one’s teeth and bear it (lit. to clench one’s teeth). Quick factsReadingはをくいしばる 歯を食いしばるはをくいしばるTOPICSto grit one’s teeth and bear it (lit. to clench one’s teeth)Example sentences苦(くる)しくても歯(は)を食(く)いしばって、最後(さいご)まで走(はし)り切(き)った。Dù đau khổ, tôi vẫn nghiến răng chạy cho đến cùng.Kanji in this word歯tooth食to eat; food