能のう書がきを垂たれる

expression, ichidan verb

self-advertise; boast; dwell on one's merits

Used when someone goes on at length about their own abilities, achievements, or the good points of something they are associated with. Often carries a negative or mocking tone.

See also: 能書き

• 彼かれは自じ分ぶんの経けい験けんについて能のう書がきを垂たれるのが好すきだ。

  He likes to boast about his own experiences.

• 商しょう品ひんの能のう書がきを垂たれるばかりで、実じっ際さいの使つかい勝かっ手ては説せつ明めいしなかった。

  He just kept dwelling on the product's merits without explaining how it actually works.