请帮忙改一句话Because I am not well known about how to operate spec

请帮忙改一句话
Because I am not well known about how to operate specifically, I heard my tutor’s advice to write to as many professors as I can to introduce myself and get more possibilities.
意思为
由于不知道具体如何操作,我听取了导师的建议给尽可能多的教授写信介绍自己,以取得（被接受）更大的可能性.