自画自賛 self-admiration●self-applause●self-approval●self-congratulation

自画自賛したくはありませんが,私はまさに適任です I don't want to blow my (own) horn [trumpet], but I'm really qualified.

自画自賛する bellow one's own horn●blow one's (own) horn [trumpet] / ring one's own bell / sing one's own praises●give oneself a pat on the back / pat oneself on the back〔例えば右手で左肩の辺りをたたく。「我ながらよくやった」という気持ちを表す動作〕●praise one's own wares●praise oneself●toot one's (own) horn〔得意のラッパを鳴らす〕

自画自賛する人 trumpet

自画自賛の 【形】self-admiring●self-applauding●self-congratulatory

自画自賛的結論 self-congratulatory conclusion