proprio malgrado

自分の願望や野心に反して、不本意に

英語の意味

contrary to one's desires or ambitions; unwillingly, reluctantly

Ho accettato l'incarico proprio malgrado, perché non volevo deludere il team.

チームをがっかりさせたくなかったので、自分の意志に反してその任務を引き受けました。

I accepted the assignment against my wishes, because I didn't want to let the team down.