Thanks for your kind adviceVery professional~~ But the difficulty is that I am not very familiar with what he is doing now.So I really do not know what I should ask for him. For him, he just throw the work to me when the project is approaching to the deadline and never show me how to do it. Only at this poit of time, I know what the problem I am facing and , try to come up an idea or look for other resource.. Do you think it is a little bit late? To be honest, he is a professional and should not do thing like this. I guess the root course of why he did like this is that he is afraid of my master degree.... You know , for R&D guys , technical skill is the most important thing. so I dont worried too much if I can handle my task. But, for further development and promotion, I must get my colleague's support , obviously, better communication in the team play a significant role. Can somebody show his experience how to deal with such tough guy? Thanks! What should I tell my boss and bigger boss in my next monday,