As he watched them, Troy felt a keen regret that long days would pass before the Lords could again help Amorine maintain the Warward's spirit.

With the keenest regret," he announced, "I find I must walk my way.

Buxton's resignation was accepted by Director Donovan, "with keenest personal regret."

In a statement expressing his "keen regret that she was denied the post," the president described Ms. Chang as "capable and respected."

He stifled keen regret at the recollection of that triumphant day when the six Weyrs had been solidly in accord.

He wondered, too, why he felt so keen a regret.

For the first time since I left high school, I felt keen regret at not having tried harder in math.

To those who truly knew and loved him, who had tasted the real sweetness of his nature, Fleeming's porcupine ways had always been a matter of keen regret.

Once again--as it had always happened on past shoots--he experienced the keen regret that this (or that, or the other,) was not his native age.

A bitter smile appeared upon the thin lips - a smile that seemed to show keen regret.