what am i doing here is nothing but a critic maker错了吗?

what am i doing here is nothing but a critic maker错了吗? What Am I Doing Here 歌词 But I can't just stay here,doing nothing.意思 Now I m sitting here,doing nothing but aging I have nothing but to offer myself here am I I am nothing but a clown. I am nothing but a passers as you see,what i am looking forward to is nothing else but I need to do is have faith on what I am doing 有语法错吗 "What the hell am i doing here?"中文意思是什么? 2.I tell my teacher everyone is here.But I am ______.A.chair 2.I tell my teacher everyone is here.But I am ______.A.right