定義 / Definition
[noun]
・the benefit of someone or something — used in phrases with for to say that something is done to help a particular person or thing
・out of consideration for or in order to help or please someone.
・used to express impatience, annoyance, urgency, or desperation.
— その他 例文 —
I quit smoking for the sake of my health.
自分の健康のために、タバコを止めました