- You know something about that Spaniard that you want to keep dark.
- Some people dig cellars where they keep their potatoes and root vegetables.It is important that this underground room be kept dark.
- Harold didn't keep his footing in the dark and sprained his ankle.
- You can keep my book as long as you like.
- Please keep the watch for me while I go swimming.
- I'm getting married again, but keep it dark, will you?