draw back wisely in face of overwhelming odds; make a quick retreat before a crisis;resolutely retire at the height of one’s official career
? 尊大人精神正旺，何以就這般～了？(《儒林外史》102) Your father is still in his prime,why should he be so eager to retire?
急流勇退
resolutely retire at the height of one's career; extricate oneself in good time from a difficult situation
急流勇退jí liú yǒnɡ tuì
在急流中果斷地退回來。比喻在官場得志時，及早果斷地引退。resolutely retire at the height of one’s official career, make a quick retreat before a crisis, leave off while the play is good