with obj.
- wrench or twist the ligaments of (an ankle, wrist, or other joint) violently so as to cause pain and swelling but not dislocation扭伤（脚踝, 手腕, 其他关节）：
he left in a wheelchair after spraining an ankle.
脚踝扭伤以后他坐着轮椅离开了。
- the result of such a wrench or twist of a joint扭伤。
词源
early 17th cent.: of unknown origin.