I think we've reached an impasse.

Meaning

I think we're stuck and can't proceed.

Examples

• John: I'm not sure where to go from here.
• Alice: I agree. <b>I think we've reached an impasse.</b>
• John: We need a different approach then.
• Alice: Exactly. It's clear we're stuck here. Let's step back and look at this from a different perspective; it seems like we've <b>reached an impasse</b>.