Also letters that Knight had written to certain friends of his.

There are certain friends of his over here who, it was felt, might attempt to pay off old scores.

My family and certain friends I've told know about this.

"My uncle decided to send clues to certain friends," explained Dave.

If they have mentioned their secret to certain friends, we can act accordingly.

I wanted to keep certain friends of mine from coming after me, but it also means that no one can get out!

Help the child notice how being around certain friends affects his own behavior.

A certain friend of ours may live in the village now.

In this war, though, it seems that the American side has yet to find any certain friends.

But more recently, she mentioned to me a conversation she'd had with a certain friend.