咬定牙关 yǎodìngyáguān to grit one's teeth Definitions Defs Origin Strokes Stroke Words Sentences Sents 咬定 yǎodìng to insist to assert emphatically; to stick to one's word or story and refuse to change it牙关 牙關 yáguān jaw joint the mandibular joint; clenching of the teeth (often used metaphorically for determination or endurance, or medically, for lockjaw)
