更不用说

Old folk and children alike are all against the proposal, not to mention the youth.

老人、孩都不赞成这个建议, 不年轻人了。

His cabin is uninhabitable in summer,let alone in winter.

屋连夏天都不好住,不在冬天住了。

He’s too shy to ask a stranger the time,still less speak to a roomful of people.

连向陌生人打听时间都不好意思,不向一屋子人讲话了。

The lengthiness of the article requires extraordinary determination to even start reading it, not to mention finishing it.

对冗长文章不只需特别决心开始去读,不看完了.

I'm so sick today that I couldn't walk as far as the kitchen, let alone go to the zoo with you.

我今天病得连厨房那么远都走不动, 不陪你逛动物园了。