He was stalking her.

His talk was like a tautology, repeating the same thing over and over again.

The beaver is gnawing on a tree by the river.

Beavers are good at gnawing wood.

We were able to significantly improve efficiency by automating this process.

He is very successful as a movie producer.

He only listens to lowbrow music.

He is the type to immediately jump on the latest lowbrow fad.

The referee gave him a yellow card.

He cut the wood using a blade and saw.