I can hardly keep my eyes open long enough to reach it.

It seemed very hot in the room, and she could hardly keep her eyes open.

When the line came to life again, he could hardly keep from howling at it.

I could hardly keep my voice from shaking all over the place.

When kids have a secret, they can hardly keep it in.

I'll stumble along as though I can hardly keep on my feet.

"He hardly keeps his eyes open at all to see anything."

And yet, it was a lesson I could hardly keep in my mind.

Silly thing was, after all that, I could hardly keep my own eyes open.