as different as the waters of the Jinghe and the Weihe—entirely different; make a clear distinction between purity and impurity
? 誰都記得，我們倆當(dāng)時(shí)所采取的態(tài)度～。Everybody remembers that the attitudes we two adopted at the time were entirely different.
涇渭分明jing wei fen ming
as different as the waters of the Jinghe River and the Weihe River—entirely different
涇渭分明jīnɡ wèi fēn mínɡ
涇、渭：指涇水和渭水。涇水清澈，而渭水渾濁。比喻界限清楚，是非分明。entirely different, make a clean distinction between purity and impurity, be well defined