咬紧牙关 yǎojǐnyáguān to grit one's teeth Definitions Defs Origin Strokes Stroke Words Sentences Sents 咬紧 咬緊 yǎojǐn to bite down hard to grip tightly with one's teeth; to bite down firmly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)
