くれぐれも

please be sure to

→ 呉々
phrase Rare #36,285
please be sure to Adds emphasis to a request, reminder, or warning, conveying that it is especially important.
JA: くれぐれも無理をしないでください。
EN: Please be sure not to overdo it.

なので皆さんくれぐれもムチャだけはしないようにお願いします

So please, everyone, be sure not to overdo it.

— One Cut of the Dead (2017)

くれぐれも言葉に気をつけろ

Watch your words.

— ロード・オブ・ザ・リング/二つの塔 (2002)

夫からもくれぐれもよろしくとのことです。

My husband also sends his very best regards.

くれぐれも、ここだけの話にしておいてくれよ。

Whatever you do, keep this between us.