haywire (go haywire )失去控制，陷入混乱
习惯用语go haywire指失去控制或彻底陷入混乱。如：
The computer seems to have gone absolutely haywire ― it’s been printing out utter nonsense all morning!
这台电脑似乎已完全失控——一早上它打印出来的全是乱码！
该表达暗示了它的产生与农民用铁丝捆扎干草（hay）有关。在捆扎时，铁丝会被扭弯；当割断铁丝时，它会四处乱飞，颇为危险。该短语即源自这一混乱情形。
