奔跑的鱼肝油
……， to say nothing of …… 结构∶主词+否定式动词…;+to say nothing of+名词(子句) 说明∶此句型意为“更不用说;更不待言”。to say nothing of 可用 not to speak of，not to mention等代替。 He does not know English， to say nothing of German or French. 他不懂英文，更不要说德文和法文了。
微笑面对一
to say nothing of...eg: 他连英语都不懂，更不用说法语和德语了。He knows no English, to say nothing of French or German.
小茉莉0906
let alone 才是最地道的说法(Not to mention; much less:)更不用提；更别说：“Their ancestors had been dirt poor and never saw royalty, let alone hung around with them”(Garrison Keillor)“他们的祖先穷得要命，从来没有见过王族成员，更不用说和他们在一起了”(加里森·谢勒)
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