It had already been dark for some time when we finally found our company.

Only it happened to be too dark for both of them.

It is too dark now for others to follow her.

But I'll leave the door open, and it won't be dark for a long time.

It was going to be dark soon, for a short while.

"But it was already going to be dark for three."

It had been dark for an hour when I got back to the car park.

The street was too dark for anyone to see anybody or anything clearly.

The future is dark for all of us right now, and he has more to fear than we.

Of course, they were not at all dark for me.