In the past two months, they've failed to keep current with the interest.

But in the end he had failed to keep her safe.

This time, at least, no one will be able to say that we failed to keep watch.

However, he failed to keep a starting position in A team.

So they wouldn't fail to keep the law in one bit.

Have you ever failed to keep yourself clean in heart and mind?

But these days some of them are failing to keep the peace among themselves.

He failed to keep the surprise out of his voice.

She had once again failed to keep her thoughts to herself.

Because I failed to keep watch at the crucial time.