干吗
Meaning
- why on earth
- what for
- what are you doing
Example sentence
爸爸，你在干吗？
What are you doing, Dad?
Characters in 干吗
干 here gàn, to do, plus 吗 — a colloquial spelling, also written 干嘛. It asks what for, usually with a note of impatience, where 干什么 is the neutral question.