what are you 干啥呢?

what are you 干啥呢? 如何用英语说打招呼,问别人在干什么,客气的语气,不要what are you doing.比如,在干啥呢? what are you looking 后面为啥一定要接at呢?单what are you looking "you are what you what are you up to 是啥意思,how are you getting on 呢 what are you after what are you doing. What are you listening? what are you fucking What grade are you What are you reading what are you building!