I'm swamped at the moment, I'm afraid.

Meaning

I'm very busy; I can't help.

Examples

• John: Can you review my report before the meeting?
• Alice: I'm sorry, John, <b>I'm swamped at the moment, I'm afraid.</b>
• John: Is there any chance you could take a quick look tomorrow?
• Alice: I wish I could, but even tomorrow, <b>I'm swamped at the moment, I'm afraid.</b>