给你提供几个词典例句：

1. He's the best shot in the world, let alone in England.他是世界上最好的射击手, 更不用说在英国了。《简明英汉词典》

2. She can speak German and French, not to speak of English. 她能说德语和法语, 更不用说英语了。《现代汉英综合大词典》

3. The baby can't even walk, much less run. 这婴儿连走都不会，更不用说跑了。《简明英汉词典》

4. No one ever reads these articles, least of all me.  从没有人读这些文章，我就更不用说了。《柯林斯高阶英语双解词典》

5.  It was both deliberate and malicious, not to mention clever.  这件事是处心积虑、早有预谋的，更不用说其手段的高明。《柯林斯高阶英语双解词典》

6. She can ride a motorcycle, to say nothing of a bicycle. 她摩托车都会骑，自行车更不在话下了。《现代汉英综合大词典》