He is a non-native English speaker.

他是一个外码的英语讲者。

A native English speaker is surely welcomed!

母语是英语的人当然受欢迎了!

Find native english speaker, negotiable price. Please recommend!

寻外国留学生做英语口语陪练, 价格面议, 请大力推荐.

For example, as you can tell, I am not a native English speaker.

举个例子，你们都听得出来英语并不是我的母语。

Hi, I would like to do language exchange with a native English speaker.

大家好，我想找人练习我的英语，同时，我也可以教你中文。

Make sure that a native English speaker or an editor has checked all your visuals.

确保英语母语人士或是编辑检查过你所有的视图资料。

I'm a native English speaker and have spent a lot of time tutoring students in American schools.

英语是我的母语，我也花了很多时间在美国的学校里教学生。

A native English speaker would be likely to say yes. But the writer intended to say that they have not.

母语为英语的人的回答是肯定的（即文件和信息已提交），而作者实际上想要表达的是否定的意思（即文件和信息还未提交）。

If you're going to talk about this subject with a native-English speaker, here are some words you'll want to know.

如果你要和外国人谈论这个话题，下面的这些词要事先知道哦。

Native English speaker with clear and articulate speaking ability, American, British, Canadian, or New Zealand preferred;

英语为母语的外籍教师（英国、美国、加拿大或新西兰本土人士优先考虑）；