Jantiff realizes just barely in time that it is a scheme to eliminate everyone who knows the plotters.

It happened so fast that his tortured mind barely realized that this was it.

Regis barely realized that the cat was upon him.

It's all so fast, I barely realize what's happening.

Barely realizing what she was doing, Jenny turned so that she faced him.

He barely realized how great a change that was from when she was keeping him close.

But she barely realized what she was doing.

I only barely realized it was all wrong.

Get some sleep and you'll barely realise I'm gone.

Foster beckons so gently you barely realize how you got there.