I'd hazard a guess that...

Meaning

I would risk making a guess that...

Examples

• John: 'How many people will come to the party?'<br>
• Alice: '<b>I'd hazard a guess that</b> about 20.'
• John: '<b>I'd hazard a guess that</b> around 100 dollars.'
• Alice: 'How much will the repairs cost?'<br>