horn in
phrasal verbhorn in (on somebody/something)
- (North American English, informal) to involve yourself in a situation that does not really involve you
干预，介入，插手（与己无关的事） - I'm sure she doesn't want us horning in on her business.
我肯定她不希望我们插手她的事。
- I'm sure she doesn't want us horning in on her business.