Phrases Handling Complaints and Apologies

I assure you this won't happen again.

C2

Meaning

Giving a strong guarantee that a similar problem will be avoided.

Example sentences

John: 'This is the second time this has occurred.'<br>

Alice: 'I assure you this won't happen again, John. We have implemented new procedures to prevent it.'

John: 'I assure you this won't happen again, Alice. We are taking disciplinary action to address the issue.'

Alice: 'This level of negligence is unacceptable.'<br>