In terms of pronunciation and intonation, it differs a great deal from the Queen's English, let alone its written language.

仅就语音和语调来说，它与英国英语的区别已众人皆知，更不用说其书面语言了。

youdao

However, there are few studies on the integration of affective education and culture teaching in English teaching and learning nowadays, let alone the study of it through an experimental method.

但是，当今的英语教学研究中对情感和文化整合教学的研究尚不多见，通过实验的方法来对这一模式进行科学研究的更是凤毛麟角。

youdao

The language barrier will get worse here as there are hardly any maps, let alone signage in English.

BBC: Weekend in Kiev

They were poor, rural and often illiterate in Urdu, let alone English.

ECONOMIST: Segregation

According to this narrative, the perpetrators are un-educated, unenculturated immigrant heathens unschooled in English protesting etiquette, let alone its signature stiff upper lip.

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