Confucius one dose: Therefore you unbar on the journey on revenge, dig two graves.
子曰：若要报复别人，最好挖两个坟墓。（己所不欲，勿施于人）
The method of cadastral unit merging in unbar LIS
城市土地信息系统中地籍单元拼接方法探讨
An open mind is like a fortress with its gate unbarred and unguarded.
开放的心灵是没有门与守卫的城堡。
To remove the bars from or become unbarred. They have swept all obstacles.
拔去门闩，扫除障碍他们已扫清了一切障碍。
An unbarred door; went through the unlatched gate into the street; an unlocked room.
没锁的门；经过开着的大门走到街上；没锁的屋子。