He slipped up from his seat and started around the table.

Because it isn't just a question of me slipping up, you know.

The computer had slipped up and there was an end to it.

It's hard to slip up on a man from behind like that.

But it's only a matter of time before they slip up.

It was open and no one could slip up on him without being seen.

Would he slip up and give us something that made sense?

It was the first time he'd slipped up that way.

Look, the computer records can slip up once in a while.

For another, you slipped up in too many ways, all of them wrong.

I was trying to get him to make a slip, to reveal that he wasn't really human.

Thirty years old and she made a slip up most high school students knew better than to make.

One of these days he'll make a slip and reveal what he is to the wrong person.

That they would just be waiting for him to make a slip.

For a moment, I thought he had made a slip.

It would not do for one of us to make a slip.

Certainly in the next moment Bernard would tell him he'd made a slip.

But it would help if someone else made a slip first.

He had made a slip, and I could see the anger in his eyes.

He also seemed to make a slip of the tongue.