There's no excuse for this.

Meaning

This is unacceptable and there is no valid justification.

Examples

• John: The report was submitted late again.
• Alice: <b>There's no excuse for this</b>. It's unacceptable.
• John: I know, I understand. I had some unavoidable problems.
• Alice: I appreciate that, but even then, <b>there's no excuse for this</b> repeated lateness.