出山泉水chū shān quán shuǐwater grows muddy down on easy plains—one’s personal record will no longer remain spotless when one becomes an official
? 在山泉水清，出山泉水濁。(杜甫《佳人》) In the mountains the water flows|Well and clear; but down on the easy|Plains,it grows muddy; … 出山泉水chū shān quǎn shuǐ出山：比喻做官。流出山外的泉水就沒有在山里的純潔。比喻人未當(dāng)官時非常清白，一當(dāng)官就不純潔了。one is very pure when he is a common but he is unpure when he is in power |