() the period of time when a machine, especially a computer, is not working and cannot be used （机器，尤指计算机的）停机时间，停止运行的时间◆A high percentage of system downtime is caused by software failure. 系统停机大多是由软件故障造成的。◆The downtime resulted in lost production. 停机时间导致了产量的损失。
() a period of time when a factory is not working, for example because a machine needs to be repaired or there is not enough demand for goods （工厂）停工期间◆There is scheduled downtime from 5.00 p.m Friday until 8.00 a.m. Monday. 计划在周五下午 5 点到周一上午 8 点停工。
() the time when sb stops working and is able to relax 休整时间◆Everyone needs a little downtime. 每个人都需要一点休整时间。