Four spades was reached at several tables, and the defense frequently failed.

The present review board frequently fails to act because investigators can't decide whom to believe.

Religions frequently fail to live up to their high moral standards.

At other tables, the same contract frequently failed, when South lost control.

When back in action, Ramirez frequently failed to run out ground balls.

The boilers, however, failed frequently because they were not maintained.

However, against the British they frequently failed to deploy into line before being engaged.

Closely held companies, on the other hand, frequently fail for a variety of reasons too numerous to name.

The heat frequently failed, and hot water was scarce.

And they frequently fail to deliver the promised energy performance.