除let alone外,“更不用说”在英语中还可用其它一些短语来表达,常见的有not to say, not to speak of, not to mention, to say nothing of, much/still/even less much/still more等。

▲not to speak of (后接名词) 

His friends and colleagues will be very upset, not to speak of his parents.  他的朋友和同事都会为此事难过,更不用说他的父母了。

He can speak German and French, not to speak of English.他会说德语和法语,更不用说英语了。

▲not to mention或without mentioning (后接名词) 

We were served French champagne, not to mention usual cocktail. 他们连法国香槟酒也端来给我们喝,更不用说平常的鸡尾酒了。

Old folks and children are all against the proposal, not to mention the youth. 大人