I have no idea what they're going to say, so I'll have to play it by ear.
我一点不知道他们将会说些什么,所以我只好见机行事。
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。