GIVE ANSWERS - 官話

Hi guys could you help me with this. I wrote this comment on youtube to practice a bit and I know it's probably wrong  哈哈 so I need your help 

（What I'm trying to say) 'ohh I didn't understand anything you said, but I think you have a really fluent mandaring. way to go!‘ 

哦哦 我不明白没有事情， 但是我觉得你流利地说中文。 加油！

非常谢谢！