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