to replace someone temporarily in a role
誰かを一時的に役割で交代する (dareka o ichijiteki ni yakuwari de kōtai suru)
"Can you sub in for me at the networking event tonight?"
"今晩のネットワーキングイベントで私の代わりをしてもらえますか？" (Konban no nettowākingu ibento de watashi no kawari o shite moraemasu ka?)
to develop or improve existing ideas
to protect or guard someone carefully
to increase production capacity significantly
to overcome obstacles that divide people or cultures
to develop from something and become a separate project
to regain confidence and dignity after experiencing defeat
