redouble /n'dAbl; ri'dAbl/ vt, vi [VP6A, 2A] 1 make or become greater or stronger: 使或變得更大或更強; 增添： They ~d their efforts. 他們加倍努力。 Her zeal ~d. 她的熱心倍增。 2 (bridge) double again a bid already doubled by an opponent. (橋牌) 再賭倍 (把已由對方賭倍的叫牌再予賭倍) 。 → double，(6).