口くち開あけ

noun

opening (a bottle, container); broaching

Refers to the act of opening something sealed, especially a bottle or container, for the first time.

• ワインの口くち開あけをお願ねがいします。

  Please open the wine bottle.

noun

beginning; opening; commencement; first sale

Used for the start of an event, sales period, or season. Often implies the very first instance or transaction.

• 今日きょうはバーゲンの口くち開あけで、朝あさから行ぎょう列れつができた。

  Today is the start of the sale, and there's been a line since morning.

• 新しん商しょう品ひんの口くち開あけの売うれ行ゆきは好こう調ちょうだ。

  The initial sales of the new product are strong.