2-- I didn't realize it was so difficult though I know I'm always too nervous in such competition.
 
1--Doesn't matter. Forget it.
 
2-- I don't think I performed well.
 
1-- Oh! That's much hetter than I did.
 
2-- Can you tell me how to improve myself?
 
1-- There's no secret at all. The only thing for you to do is to practice more. You will succeed.
 
2-- Thank you for your encouragement.
 
1-- It's a pleasure. Come on. I'm on your side.
 
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注解：
 
1.competition比赛  
2.performed表现  
3.encouragement鼓励
===================================
译文：

1--不用担心，我相信你下一次会做得更好。
2--虽然我知道在这种比赛中我总是很紧张，但我没想到会这么难。
1--没关系，忘了它吧。
2--我认为我表现得不好。
1--哦！你比我当时好多了。
2--你能告诉我如何提高吗？
1--这个没有秘诀。你唯一要做的就是多练。你会成功的。
2--谢谢你的鼓励。
1--不用客气，加油，我支持你。