prolonged illness makes a doctor of a patient ? 他本來不懂醫(yī)道，只是～罷了。He used not to know anything about medicine ,but prolonged illness has made a doctor of him.
久病成醫(yī)jiu bing cheng yi
prolonged illness makes a patient a doctor
久病成醫(yī)jiǔ bìnɡ chénɡ yī
長期生病吃藥，時(shí)間長了，自己也成為醫(yī)生了。比喻在某一方面經(jīng)歷的時(shí)間長了，外行也可以變成內(nèi)行。prolonged illness makes a doctor of a patient, An old poacher makes the best keeper.