= =
看了第一段我就要倒了……
I’m very glad to stand here and give you a short speech.
应该是
It's my honor to be here and have a speech.
Today my topic is “youth”.
My topic today is "youth".
I hope you will like it,and found the importance in your youth so that more cherish it.
I hope you will like it,and realize the importance of your youth so that you'll cherish it more.