He had come prepared; but the slightest mistake in his defense would mean horrible death.

Be careful about the slightest mistake - if you want to live!

Sometimes they're only slight mistakes and the punishments aren't too bad.

I made a slight mistake in proportion, and he corrected it.

He knew she'd move softly, thinking out her every action, and that she wouldn't make the slightest mistake.

And absolutely lethal, perhaps to all five of them, if anyone here made even the slightest mistake.

There were many tasks that soldiers performed where the slightest mistake would lead to death.

He could trip her in even the slightest mistake.

The slightest mistake may result in their scores being lowered.

I made a slight mistake about the price of this house.