He looked down at her for a moment, his expression inscrutable.

Reon's inscrutable expression made it impossible to guess what his next move would be.

Bazo asked, watching the children with an inscrutable expression on his dark features.

I paused, and he still continued to peer at me, an inscrutable expression on his face.

The prime minister arrived a few seconds later, wearing his usual inscrutable expression.

Harry Lester simply stood and watched her, an inscrutable expression on his face.

But then the laughter stopped, and his long face assumed its usual inscrutable expression.

He turned toward her, his expression mild and inscrutable.

Instead the dog sat near him and regarded him, always with the same inscrutable expression.

She looked up and found his eyes resting upon her, an inscrutable expression hidden within their depths.