.Because the machine was out of -----,the workers had to sto

out of order 发生故障
out of mind 心不在焉；忘却；发狂
out of place adj.不合适的；不相称的；不在适当的位置
out of danger 脱离危险
因为机器发生了故障,工人不得不让机器停止工作.