Regional accents are still acceptable but there is to be a blitz on incorrect grammar.

地方口音还可以接受，但错误语法必须要大力改进。

《柯林斯英汉双解大词典》

In recent years, young upper middle-class people in London, have begun to adopt some regional accents, in order to hide their class origins.

近年来，伦敦中上层阶级的年轻人开始使用一些地方口音，以掩盖他们的阶级出身。

youdao

Many people in Minnesota and Tennessee have noticeable regional accents.

明尼苏达州和田纳西州的许多人都有明显的地区口音。

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Because in Australia, unlike in the UK, our accents aren't very regional-based,

因为在澳大利亚，不像在英国，我们的口音区域性差异不大，

有趣的澳大利亚英语 - SpeakingMax英语口语达人

Salyes has an ear for regional accents and colloquial dialogue, and an eye for quotidian details.

NEWYORKER: Passion Fish

Or, to put it simply, "there is significant discrimination against regional accents, " she said via e-mail.

CNN: Regional accents thrive in U.S. -- but is that a good thing?

Regional accents are going strong around the United States, bringing with them all kinds of cultural flavor.

CNN: Regional accents thrive in U.S. -- but is that a good thing?