gàn​má

why on earth

Senses

干嘛/ 幹嘛 gàn​má why on earth

Used to ask for a reason, often implying that the action is unnecessary or surprising; whatever for

干嘛/ 幹嘛 gàn​má what are you doing

Used as a question to ask what someone is doing or what is going on

References

variant 干吗/幹嗎 干嘛/幹嘛
see 嘛/嘛 干嘛/幹嘛