管他呢

guǎn tā ne

don’t worry about (it, him etc)

doesn’t matter; whatever; anyway

guǎn

variant of 管[guan3]

(third-person singular) (since the early 20th century, usu. male) he; him; his

ne

particle indicating that a previously asked question is to be applied to the preceding word ("What about ...?", "And ...?")