Ralph would not concede that the work of the detectives was likely to be in vain, for he thought that the prize offered would greatly stimulate their zeal and activity.

• 高贵的高杰·弱夫先生确信能够侦察出结果来，他估计这笔奖金会大大鼓舞侦探人员的热情和启发他们的智慧。