throw a monkey wrench in the works
Definition: cause a disturbance in something that seems clear and understandable
含義是把看上去很清楚明白的事情攪亂
例句:
I hate to throw a monkey wrench in the works, but don't you think we should ask Andy to help.
我討厭把事情攪亂,但是你不認(rèn)為我們應(yīng)該找安迪幫忙嗎?