基本解释adj.不值班的(未运行的；备用的)同根派生 英汉例句Cleaning thoroughly before lunch and offduty should be sufficient. 进餐和下班时清洗是充分的。they put their daughter in the baby farm until one of them offduty and to fetch his daughter. 他们把女儿放在托儿所一直到其中一人下班可以去接她。