Fortunately the darkness prevented the other two from seeing his expression.
Even if he had been aware of the presence, the darkness would have prevented him seeing the man who watched his flat.
She returned to the tent only after darkness prevented her from adequately treating anyone else.
Furthermore, residual darkness prevented me from determining the color of the houses.
The total darkness of the sacred cave had prevented him from making the connection.
Again, the darkness prevents our seeing if they still float around us.
The darkness of the interior prevented him from seeing anything at first and he wondered why there were no windows.
Though the bra had lace cups, the darkness of the night prevented much from showing.
Darkened windows and the darkness of the night prevented him.
Fortunately, the darkness prevented him from analyzing the substance too carefully.