I need to narrow down my options before making a decision.

I think I'm starting to come down with a cold.

We need to cut down on our expenses to save money.

I always mark down the prices during the end-of-season sale.

I was bogged down with work and couldn't find a way out.

We have been working hard to nail down the details of the project.

He stuffed down his lunch quickly.

Please tie down the tarp to prevent it from blowing away.

I flag down a taxi on the street.

The police are going all out to keep down the rioting bikers.