英语高手帮个忙,谢谢啦

帮我翻译下，语言要优美一些，大意如下：

hi ,大家好，我是来自xxx中学的xxx，很高兴参加这次比赛。其实，我并不是很大方，甚至有些害羞。但是，我会用我的努力，证明自己，让我更自信。我相信，这次比赛会是一个很好的锻炼机会，同时，我也会让自己做得更好！

hello everyone ,I'm xxxfrom xxx high school.I'm very glad to take part in the compitition .In fact ,I am not outgoing ,even a little shy .But I WILL prove myself through my effort and make me more self-confident .

I believe it's a good chance for me to practise myself .At the same time ,I will make me do better .

Thank you

Good (morning/afternoon/evening自己根据情况选择一下~)，everyone,

I am~, come from~(middle) school. I'm very glad to take part in this activity. To be frank, I'm not a out-going (girl or boy), even a little shy. But I will try my best ! I believe that from this I will learn a lot! Thank you !

Hello, everyone! I'm *** from *** middle school, I;m very leased to attend this contest. Actually, I'm not very outgoing, but a llittle shy. However, I try my best to prove myself, and make myself more confident.

And I strongly believe that it's a good chance for me to practice, at the same time,I'll do better.

hi, everybody, I'm from xxx School xxx, I‘m very pleased to participate in the tournament. In fact, I was not very generous, and even a little shy. However, I will use my efforts to prove myself, let me be more confident. I believe this contest will be a good training opportunity, and I and you can do better!