Большой китайско-русский словарь
guǎn nǐ diǎo shì
Mind your own damn business. Literally “mind your own dick.” Similarly, “It’s none of my damn business” or “I don’t give a shit” is 管我屌事 guǎn wǒ diǎo shì (gwun wuh dyow shih), literally, “I’m watching my own dick.”