A certain ship needed water and went up- to land.

The evidence was solid enough that certain ships changed schedules and burned decades of time to look for more clues.

- in the navy, a ship's company is everyone on a certain ship.

I came to Boston, found that certain ships could be acquired at low cost.

My chief motive in this visit involves a certain ship.

He perked up at the mention of "a certain ship."

An example of such an application is certain ship lengthening operations.

"And does a certain alien ship have anything to do with your troubles?"

I had to find out where a certain ship is.

And who can be allowed to forget a certain sinking ship?