我觉得你的语法比an-counter的语法水平高，他当然听不出来你的grammatical mistakes了！

I still hold my thought that your English (writing, debating, speaking...)is alreay superb enough.担心时间一长，我怕你会觉得toastmaster里的speakers水平不够，真的。你英语足够handle managing之类的了。