什么事

shén me shìshenmeshi

1. What's up?; Is something the matter?
2. (coll.) (used in rhetorical questions of the form 關|关[guan1] + {person} + 什麼事|什么事[shen2 me5 shi4] "what business is it of {person}'s?; what's it to {person}?")

Study it in Yanamino