be asleep at the switch /switʃ/
失职；玩忽职守
This phrase means that someone failed to carry out his/her duty, which finally caused other people or the company's loss.
这个词组指的是某人没有履行自己的职责，最终导致他人或公司有所损失。
失职是指工作人员对本职工作不认真负责，未依照规定履行自己的职务，致使单位或服务对象造成损失的行为。
Steven was fired yesterday for being asleep at the switch .
Steven昨天因失职被开除了。
If you are always asleep at the switch, that will cause a serious accident one day.
如果你总是这样玩忽职守，总有一天会出事的。
