N-1:never say die 别灰心
A:You look rather down these days. What's the matter?
A:你最近看起来闷闷不乐，怎么回事？
B:I failed in the exam on mathematies again. I have tried my best. Maybe I am not cut out for it.
B：我的数学又没及格，我已经尽了最大的努力，也许我天生就不适合学数学。
A:Never say die. You have made some progress, haven't you? Keep studying and you'll succeed in the end.
A:别气馁，你不是已经有所进步了吗？坚持下去，你一定会成功的。
B:Thanks for your encouragement.
B：谢谢你的鼓励。
