You just have to stick your nose into other people's business.

伙计，你怎么这么喜欢多管闲事。

Why did you stick your nose into our affairs?

你为什么要管我们的闲事？

But it's not a good idea to stick your nose into other people's business.

但窥探他人的私事可不是个好主意。

Doesn't matter, 'cause he cures more than he makes, like when you stuck your nose into my case last year, and he beat you.

没关系，他解决的问题远比闯下的祸多，比如你去年闲事管到我头上 而他打败了你。