英语翻译I used to be an active girl.But two years ago,an English

I used to be an active girl.But two years ago,an English speaking competition held in my school changed a lot.
我曾经是个活泼的女孩.但两年前,一场在我们学校举办的演讲比赛改变了很多事情.
I stood on the stage for the first time.I was too nervous and my brain suddenly become empty.Not long after I began my speech,
我第一次站在舞台上,我过于紧张,脑海里一片空白.我一开始演讲,
the hall turned noisy.It seemed that they were laughing at me.
大厅里马上变得嘈杂起来.听起来像是他们都在嘲笑我.
I knew I had failed completely
我知道,我已经完全失败了.