Of course, if they happened to run into some good-looking boys along the way, so much the better.

If you happen to run into anyone you'll need a cover story.

It is one that happens to run over the first initial on top of the case.

"How odd that we should just happen to run into each other."

Just happened to run into a few friends on the way back.

He lived alone, and didn't happen to run into anyone else in his apartment building on the way to work.

But if you happen to run into him, don't worry.

A pretty good song I just happen to run across!

"How did you ever figure out what was happening in time to run?"

If you happen to run into someone famous in person, go ahead and give it a shot.