◎ 墙里开花墙外香 qiánglǐ kāihuā qiángwài xiāng
[one’s accomplishments are easily known outside his own unit] 比喻自己人做出了成绩,内部还不知道,外面的人倒先知道了。也比喻成绩不受本部门重视,却为其他部门赏识
