老气横秋yīngwénjièshì:
  • n.  be pompously conceited
  • n.  lacking in youthful vigour
  • n.  be proud of one's seniority
  • n.  arrogant on account of one's seniority

(fēizhùcèchéngyuánměiyèzànxiàn 4 lì)