当电线的端口插错时，其所在的系统就无法正常运行。习语 to get your wires crossed “把你的电线交叉混在一起”的意思是人们对同一件事有不同的理解，即产生了误会、误解。
We must have got our wires crossed. I'm sure we agreed to meet at eight o'clock but Kayte had nine on her calendar.
Have we got our wires crossed? I thought I was working tomorrow, not today. Do you need me to come in?
I think we've got our wires crossed. You were supposed to visit mum today. I'm not going until next week. At least, that's what I thought.
我们可以用 down to the wire 来表示某事直到最后一刻才能见分晓。
This year's season went down to the wire. The winner wasn't decided until the very last match.
I'm having trouble with my essay. I hope to be finished in time but it's going to go down to the wire.