第一句：Please continue!
再接再厉！
A: Your speech is very exciting. Please continue!
你的演讲很激动人心。再接再厉！
B: Thank you, Mr. Brown. I won't make you disappointed
谢谢你，布朗先生。我不会让您失望的。
第二句：You are such a quick learner.
你学东西可真快啊。
A: Fresh boy, you are such a quick learner.
新来的，你学东西可真快啊。
B: Oh, come on.
哦，行了别闹了。
知识扩展：
1.再接再厉”可以这样说：
Please keep up the good work.
Do make persistent efforts.
2.表示学得快：
He learns very quickly.
他学得很快。
You are so good at learning.
你善于学习。