What are you doing?

"gam-lang tam a-rai yuu?" the meaning of What are you doing?
(Mostly Thai people don't say the subject.)

Or you can say " tam a-rai yuu?"
tam-ngaan yuu. (I'm working.)
duu TV yuu. (I'm watching TV.)
aan nang-suue yuu. (I'm reading a book.)
gin kaao yuu or taan aa-haan yuu ( more polite and formal). (I'm eating.)
duuem beer yuu. (I'm drinking beer.)
kui gap pue-an yuu. (I'm chatting with my friend.)
rian paa-saa tai yuu. (I'm studing Thai langauge.)
len golf yuu. (I'm playing golf.)
suue-kawhng yuu. (I'm shopping.)
awhk-gam-lang yuu. (I'm exercising/working out.)
nawhn-lap yuu. (I'm sleeping.)
tam aa-haan yuu. (i'm cooking.)
mai tam a-rai. (I do nothing.)