conk out

conk outconk out1.■〈美〉故障,突然失灵

conk out1.■[俚语]2.■发生故障，出毛病，坏掉：Our car conked out when we had got only halfway.我们的汽车刚走到半路就出了毛病。3.■减弱；耗尽；累垮；立刻入睡；昏睡；去睡：The climbers were half way up the mountain when two of them conked out and had to turn back.登山队员爬到半山腰时，其中两人筋疲力尽，只得折回。4.■昏迷，昏过去；死亡：She almost conked out when she caught pneumonia last year.她去年得了肺炎，差点儿死掉。