关你屁事

guān nǐ pì shì

(coll.) None of your goddamn business!

Mind your own business!

关

guān

mountain pass

你

nǐ

you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)

屁

pì

fart

事

shì

matter