◎ 外强中干 wàiqiáng-zhōnggān[strong in appearance but weak in reality;be tough outside but brittle inside] 外有强形,内中干竭。泛指外表强大,内实空虚-----------------国语辞典:外表看似强壮,内实虚弱干竭。《二十年目睹之怪现状.第八七回》:「他一向手笔大,不解理财之法,今番再干掉了几万,虽不至于像从前吃尽当光光景,然而不免有点外强中干了。」也作「外彊中干」。近虚有其表,色厉内荏,鱼质龙文