【形式ばった表現】 a betrothal
get [【形式ばった表現】 become] engaged 《to somebody, to marry somebody》
婚約を解消する
break (off) one's engagement 《with》.
【形式ばった表現】 one's betrothed
an engagement ring.
読み方 こんやく
Promise of marriage; engagement; affiance; betrothal:(=する) to make an engagement; to engage oneself to (a man or a woman); to be affianced to (one)