i know who you are,but what are you doing

I know who you are意思 i know you are who.对么? i dont know who you are i know who you are,but what are you doing i do not who you are 还是i do not know who are you. You know who you are I don't know who you are是who you are 那为什么翻译你是谁是who are you? thanks,but i don't know who you are? I know are you who.这句话的语法什么的有错么?I know who you are .和i know are you who.有区别么?那 I know you are who .对么？ I don't know who you are还是who are you? Although i know who you are,but you love who is your choice,i can not! May I know who are I know you are you know who i love 找首歌but i don t know who you are不知道什么歌最后一句好像是i'm noting without you,but i don't know who you are,but i don t know who you are. I don't know who fuck you are 是什么意思?原文是(I dun know who d fuck u r)是什么意思? i know you are student who is good at maths中who是什么? Although I don't know who are you .but I hope you can pyridaben happy.[Forever].