A muzzle flashed twice, and two of the five men went down.

Then, ahead, car lights flashed twice and went dark.

If any of the values had been outside nominal, they would have flashed red twice a second.

If he wants the whole lot of us, he'll flash twice.

The headlights flashed twice and the van drove off.

From the top of the rise a torch flashed twice.

A truck pulled into the yard; its lights flashed twice.

Lepidopt saw the Honda's headlights flash twice, fast, then once.

On the western edge of the parking lot, a Jeep's lights flashed twice.

Up for'ard the lead was dropped again, the torch flashed twice.