They won't know it, will not even realize a single second has passed.

He didn't take his eyes off the girls for a single second.

That means it cost $1 more to save a single second.

I know exactly what is happening to me every single second of my life.

There was no time to waste, not a single second.

Every single second that she'd spent in Josh's room had been perfect.

Not for a single second did either of us believe that to be true.

Time was at stake, and a shift of a single second could make the difference.

I'd keep track of my character's emotional state every single second.

A single second of light would, I felt, have made me my own man again.