work something off
Definition: lose weight
含义是减肥，减轻体重
例句：
I'm going running to work dinner off.
我要去跑步减肥。
She went to the gym to work off a few pounds.
她去健身房减掉几磅体重。
throw a monkey wrench in the works
Definition: cause a disturbance in something that seems clear and understandable
含义是把看上去很清楚明白的事情搅乱
例句：
I hate to throw a monkey wrench in the works, but don't you think we should ask Andy to help.
我讨厌把事情搅乱，但是你不认为我们应该找安迪帮忙吗?
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