她咬紧牙关。
She clenched her teeth and refused to move.
她咬紧牙关不肯挪动一步。
She came close to him, and he quickly clenched her ear with his teeth and bit it off.
母亲走到他身边，他猛地用牙齿咬住母亲的耳朵，并把它咬下来。
She stood before him, at the end of her speech, with her teeth clenched, her cheeks flaming.
她讲完话，站在他面前，咬紧牙关，双颊通红。
A girl athlete, in a long distance race, stumbled over the foot of another athlete and fell down. She rose to her feet, clenched her teeth, and continued her running.
在长跑比赛中，一个女孩绊了另一个运动员的脚摔倒了，她站起身咬咬牙继续比赛。
A girl athlete, in a long distance race, stumbled over the foot of another athlete and fell down. She rose to her feet, clenched her teeth, and continued her running.
在长跑比赛中，一个女孩绊了另一个运动员的脚摔倒了，她站起身咬咬牙继续比赛。
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