原水
raw water; unpurified water
远水不救近火
see 遠水救不了近火|远水救不了近火[yuan3 shui3 jiu4 bu5 liao3 jin4 huo3]
远水不解近渴
lit. distant water does not cure present thirst; fig. urgent need; a slow remedy does not address immediate needs
远水救不了近火
lit. water from afar quenches not fire; fig. urgent need; a slow remedy does not address the current emergency