English spelling is a "headache" for native and non-native speakers alike.

英语拼写对以英语为母语的人和不以英语为母语的人来说一样令人头痛。

youdao

A lot of people know English well, but they learn from non-native English-speaking teachers, they practice with non-native speakers, and they have never been to an English-speaking country.

许多人的英语不错，但是他们不是从外教处学习到的英语，不是和母语为英语人士操练的，而且他们也从未去过讲英语的国家。

youdao

The author ignores many positive effects of hiring native speakers as language instructors and negative effects of hiring non-native speakers.

作者忽略了雇用本土人教学积极一面的同时，也忘记了雇用非本土人教学的负面影响。

youdao

He also says non-native speakers generally use too much emotional language and give too many details before getting to the main idea.

VOA: special.2009.04.30

Other languages don't have that distinction and so those distinctions are very difficult for non-native English speakers to learn.

其他语言并没有这样的差别,所以非英语母语的说话者,很难发现这些差别

耶鲁公开课 - 心理学导论课程节选

The only hope for English to remain the lingua franca till deathbed is a peaceful world and lots of love from non-native speakers.

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