敝帚自珍yīngwénjièshì:
  • n.  everyone values things of his own
  • n.  value the broomstick simply because it is one's own
  • n.  value one's own old broom - cherish something of little value simply because it is one's own

(fēizhùcèchéngyuánměiyèzànxiàn 4 lì)