I'd be in your debt if you could...

Meaning

I would be very grateful if you could...

Examples

• John: 'I'd be in your debt if you could help me with this urgent task.'<br>
• Alice: 'Don't worry, I'll do what I can to help.'
• John: 'Hop in, I'm heading that way anyway.'
• Alice: 'I'd be in your debt if you could give me a lift home.'<br>