The tenth century used to be reckoned by mediaeval historians as the darkest part of this intellectual night.

Black eyebrows and eyes so dark and scrutinizing (but he was being scrutinized too) as to give the face a sinister expression, especially through a sly underbrow manner of switching the eyes from one object to another.

Get the car started and then we can set off.

We are in the midst of a full-blown crisis.