charley horse
肌肉痉挛，尤指小腿肌肉的痉挛
口语·描述运动后或夜间腿部肌肉突然抽筋
英文释义
a painful muscular cramp, typically in the leg, often resulting from overexertion or dehydration
例句
I woke up with a charley horse in my calf after running too far yesterday.
典故来源
源自19世纪美国棒球运动，因投手Charley常因腿部抽筋而退场，后泛指肌肉痉挛。