I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握,先生。我们会尽早的,但我不敢许诺3:30以前行。
Like a scientist bent on making a discovery, he must cherish the hope that one day he will be amply rewarded.
他必须像一个专心致志进行探索的科学家那样抱有这样的希望,即终有一天,他的努力会取得丰硕的成果。