I am not compatible with my roomate but I have to share the room with her, because I have nowhere else to live.

我和我的室友合不来，但我不得不和她合住，因为我没有地方住了。

Fat Li accompanied me through the three years in the middle school, he's my best roomate and my upper bed brother.

胖子李陪着我度过了初中三年，他是我最好的室友，是我上铺的兄弟。