短语词组短語tail cutting off distribution 截尾分佈tail -off 發動機關閉working my tail off 我學習tail off duration 拖尾段bob -tail off 摘除拖架Work your tail off 拼命地工作Work my tail off 玩命工作working tail off 工作太緊張Tail end hop off 尾部下車;尾耑郃掉 返回 tail off