Tangyu Sanjun = Literally means the Third Lord/Prince of the Jade Court.
Guwu Lin = Means to turn around and look (gu) at the filth (wu) in the forest (lin).
Guwu Daniu = Means Big cow (da niu)
Baigu = means white (bai) bone (gu)
I will update the list as the story progresses.