▲let alone更不用说

He hasn’t enough money for food, let alone amusements. 他连吃饭钱都不够，就更不用说有钱玩了。

Some people never even read a newspaper, let alone a book. 有的人连报纸都从来不看，更不用说看书了。

He won’t even thank you, let alone pay you. 他甚至不会感谢你，就更不用说会付给你钱了。

I haven’t decided on the menu yet, let alone bought the food. 我还没决定吃什么菜呢，更不必说买好了。

▲not to mention 更不用说，还不算

There are ten of us ready to help, not to mention the children. 我们有10个人愿意帮忙, 更别说小孩。

He has two big houses in this country, not to mention his villa inFrance. 除了在法国的别墅外，他在这个国家还拥有两栋大房子。

▲much less / still less 更不用说

The boy didn’t have a girlfriend, much less a wife. 那男孩连女朋友都没有，更不用说有妻子了。

He is not interested in her; much less is he in love with her. 他对她并不感兴趣，更不用说爱她了。

The baby can’t even walk, much less run. 这婴儿连走路都不会，更不用说能跑了。

He’s too shy to ask a stranger the time, still less speak to a room full of people. 他连向陌生人打听时间都不好意思，更不用说向一屋子人讲话了。

I would never willingly go anywhere by boat, much less go on a cruise. 我到哪儿去从来都不愿意坐船，更不用说为了兜风了。

▲to say nothing of 除了…，更不用说

He had to go to prison for a month to say nothing of the fine. 他得坐了1个月牢，更不用说罚款了。

It’s a well-paid job, to say nothing of the short hours. 这工作除了工作时间短不说外，而且报酬也高。

Pollution affects the soil, to say nothing of its impact on wildlife. 污染影响土壤，更不用说对野生生物的影响了。