Phrases Offering and Refusing Help

I'm afraid that's beyond my capabilities.

C2

Meaning

I can't help because I lack the necessary skills.

Example sentences

John: 'I'm afraid that's beyond my capabilities. It requires specialized IT knowledge.'

Alice: 'Could you fix this technical glitch?'<br>

John: 'Could you assist with this advanced statistical analysis?'<br>

Alice: 'I'm afraid that's beyond my capabilities. My statistical skills aren't advanced enough for this.'