"Don't stick your nose in other people's business" 或 "Mind your own business" 是一种常见的表达方式，表示不要多管闲事。这个短语有可能来自于一种对于他人私事的尊重，或者是为了避免可能的纷争。例如：

"Don't stick your nose in other people's business. It's none of your concern."

"别多管闲事，这不关你的事。"

"Mind your own business. We can handle this on our own."

"多管闲事，我们自己能够处理这件事。"