1620s, "formal promise," from engage + -ment. Meaning "a battle or fight between armies or fleets" is from 1660s; sense of "state of having entered into a promise of marriage" is from 1742; meaning "appointment" is from 1806. Engagement ring attested by 1863.
例文
1. The constitution prohibits them from military engagement on foreign soil.
憲法は彼らが外国で軍事行動をとることを禁止している。
2.She was planning to announce her engagement to Peter.
彼女はピーターと婚約したことを発表しようと計画している。
3.She chose Maggie to make her up for her engagement photographs.
彼女はマギーを選んで結婚写真を撮るときに化粧をした。
4.I felt our engagement was quite an unhappy time.
婚約中はとても不愉快だったと思います。
5.Janis and Kurt have announced their engagement .