come out of the mud unsoiled; emerge unstained from the filth ? 在這樣腐敗的環(huán)境里，他能夠～，仍然廉潔奉公，真是難能可貴?。?In such a depraved environment he can come out of the mud unsoiled and remain honest in performing his duty.This is truely estimable!
出污泥而不染chu wu ni er bu ran
emerge unsullied from the filth remain undefiled in spite of general corruptions