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to not become involved in other people's activities or relationships
不干预，不过问
She can't keep her nose out of other people's business.
她总是喜欢多管闲事。
- Why should he go abroad?
他为什么必须出国呢?
- Keep your nose out of it.
别多管闲事。
I've already decided how to do it so you can just keep your nose out of it.
我已经决定了如何做，你不用来插手。