They haven't had to run for their lives under cover of darkness.

He doesn't have to wait for the cover of darkness anymore.

No one could get out any longer, not even under cover of darkness.

He was less likely to be seen under cover of darkness.

For now, until cover of darkness, there was nothing to do but wait and warm her.

Working together under cover of darkness, the animals get the food.

My only chance was to go under cover of darkness but it wasn't that easy.

I decided to surface and make off under cover of darkness.

He would have to line up the shot in the cover of darkness.

The men would come again, probably under cover of darkness.