I have seldom seen a person look so grateful.
He said that he would want me to try.
I assured him I would do it with great pleasure, but as it might take a liitle time, I hoped he would not mind paying me for my inconvenience.
He replied that he would do it most gladly and asked me how much.
해석좀 부탁드려요ㅜㅠㅠ
그리고 첫문장에서 look이 무슨 품사로 쓰였는지도 가르쳐주세용~