後ご生しょう一いっ生しょうの頼たのみ

expression

once-in-a-lifetime request; extremely important plea

A dramatic, heartfelt expression used when begging for something as if one's whole life depends on it. Often used in serious or emotional appeals.

• 後ご生しょう一いっ生しょうの頼たのみです。どうか助たすけてください。

  This is the request of a lifetime. Please help me.

• 後ご生しょう一いっ生しょうの頼たのみだから、この秘ひ密みつは誰だれにも言いわないでくれ。

  I'm begging you as if my life depended on it—please don't tell anyone this secret.