墻里開花墻外香（牆裏開花牆外香）　

◎ 墻里開花墻外香 qiánglǐ kāihuā qiángwài xiāng

[one’s accomplishments are easily known outside his own unit] 比喻自己人做出了成績,內(nèi)部還不知道,外面的人倒先知道了。也比喻成績不受本部門重視,卻為其他部門賞識