Yet with them grew my sense of need to redouble a lover's diligence.

Lieutenant Abbot, on the other hand, appeared to redouble his deep interest.

To redouble the certainty of their truth every time one thinks of them.

On the contrary, he seemed to redouble his efforts to mortify his son.

Determination to win made Madge and Phil redouble their efforts.

The Indian chief felt that it was necessary to redouble his surveillance.

To the Catholics we have nothing to say but to redouble their efforts.

The report of firearms was now heard, and this made us redouble our efforts to get up.

The police promised to redouble their efforts to capture Hammer.

The enemy have discovered what has occurred and redouble their efforts.