单词not--dry--behind--the--ears
na.: 无经验的;乳臭未干的;不成熟的;未学坏的网络: 没有经验的;没见过世面的
Although you are skilled in repairing cars, you are not dry behind the ears in repairing radios.
修理汽车,虽然你很熟练,但如何修理收音机,你还不知道。