Je was op zoek naar: 你在干什么 (Chinees (Vereenvoudigd) - Engels)

你在干什么
what are you doing

妈妈说：“你在干什么？”
and my mother came up and said, "what on earth are you doing?"

于是，我问他——我当时很生气——说：“你在干什么？”
and so, i said -- i was annoyed -- i said, "what are you doing?

你们在干什么
what are you doing