哥哥姐姐帮我翻译一下，中文→英文

先说明，我说的都是口语。。。保证他听的懂，但是语法对不对就不知道了。
your english not good man, could u said again.
sorry for this but i can't handle it.

your english is not very good,i can't understand you,please say it again.

excuse me,I can't do this.