to express your annoyance, unhappiness, or dissatisfaction about something
不満を言う, 文句を言う
the act of presenting someone to another person or to the public for the first time
紹介, 導入
to go in front of or beside someone or something in order to show them the way or to make them go in a particular direction
導く, リードする
to adjust something to be in a suitable or desired condition for a specific purpose or use
設定する, 調整する
used to express that something positive or favorable has happened or is happening by chance
幸運にも, 幸いにも
used to express regret or say that something is disappointing or sad
残念ながら, 不幸にも
to use or take something belonging to someone else, with the idea of returning it
借りる, 貸してもらう
to give someone something, like money, expecting them to give it back after a while
貸す, 融資する