in that是一种固定搭配，其意为“因为”，与for the reason that,because 同义，可用于引导原因状语从句。如：I’m in a slightly awkward position in that he’s not arriving until the 10th.
eg: Look at that man over there. 瞧那边的那个男子。
I was living with my parents at that time.那时候我跟父母住在一起。
That incident changed their life.那次事故改变了他妈的生活。
eg: They said you wanted to talk to me. Why was that?
eg：A recession like that of 1973-74 could put one in ten American companies into bankruptcy. 一场想1973到1974年那样的经济衰退会使1/10的美国公司破产。
eg: That's my wife you were talking to.
eg: Do you like the book that I lent to you？ 你喜欢我借给你的书吗？
eg: That he passed the driving test made us very happy.
eg: I know that he is an intelligent and hard-working boy.
eg: My decision is that all of us are to start at 6 o'clock tomorrow morning.
eg: I have a feeling that one day we will succeed.