1She blinked in surprise when she saw her old friend walking towards her.
2The lights on the Christmas tree blinked on and off to the rhythm of the music.
3The driver blinked his headlights to signal to the pedestrian that it was safe to cross.
4If you blink too much, it can be a sign that your eyes are tired or irritated.
5The warning lights on the dashboard started to blink, indicating that the car's engine was overheating.