I can only imagine how difficult this must be.

Meaning

Expressing understanding of the hardship.

Examples

• John: 'I'm struggling with depression.'
• Alice: '<b>I can only imagine how difficult this must be</b>, John. Please seek professional help.'
• John: '<b>I can only imagine how difficult this must be</b>, Alice. You're doing a wonderful job.'
• Alice: 'I'm caring for my ailing mother.'