Japanese phrase
これが最後の通告です！ ko re ga sai go no tsū koku de su
Meaning
This is your final warning!
When to use it
Gives a final warning before a consequence follows. It signals that another violation will not be accepted, so it sounds serious and sets a clear boundary.
Example dialogue
また遅刻しましたね。 ma ta chi koku shi ma shi ta ne
You were late again.
これが最後の通告です！ ko re ga sai go no tsū koku de su
This is your final warning!