redouble

v [I, Tn] 1 (cause sth to) become greater, stronger, more intense, etc （使某事物）变得更大、 更强、 再加倍: Her zeal redoubled. 她热情倍增. * We must redouble our efforts. 我们应该加倍努力. 2 (in the card-game of bridge) double again (a bid already doubled by an opponent) （桥牌中）将（对方已加倍的叫牌）再加倍.

redeem, redeemable, redemption, redemptive, redeploy, redeployment, redevelop, redevelopment, redhead, rediculous, rediffusion, redirect, rediscover, redistribute, redistribution, redly, redness, redo, redolence, redolent, redoubt, redoubtable, redound, redress, redskin, reduce, reduce to, reducible, reductio ad absurdum, reduction, redundancy, redundant, redundantly, reduplicate, reduplication, redwood, reed, reediness, reedy, reef,