for the last time

Prepositional phrase

An expression showing exasperation, meaning the last time something will be said before punitive action will be taken.

Japanese Meaning

（呆れや苛立ちを交えて）「もうこれ以上言うつもりはなく、以降は罰則などの対応が取られる」という、最後の警告や通告としての意味

I'm telling you for the last time, clean your room or you'll be grounded.

これが最後の警告だ。部屋を片付けないと外出禁止にするよ。

Sense（1）

An expression showing exasperation, meaning the last time something will be said before punitive action will be taken.