He lowered his head as if momentarily lost in thought, saying nothing for a moment.
The whole room shook, and he momentarily lost his balance.
Staring at the old chair, he became momentarily lost in thought.
Her mind took up the thread that she had momentarily lost.
She paused, as if momentarily lost in her own memories.
That thought was frightening enough to make him momentarily lose his shape.
The Cardinals only momentarily lost their chance to move the runners to third and second.
In the heavy rain and fog, they had momentarily lost him.
She was momentarily lost for words, thrown completely off balance by this new turn of events.
Even the sight of blood makes him momentarily lose control and attempt to bite her.