not to say还是not to mention有这样一道考题，你会做吗？They own two cars, not to _____ a motorbike.A. speak B. sayC. talk D. mention【陷阱】很容易根据“他们拥有两辆小汽车，更不用说一辆摩托车了”这一中文语境而选择B。【分析】其实最佳答案为D。因为not to say 和 not to mention 均为习语，但其含义区别甚大：not to mention＝更不用说，此外还有not to say＝虽不能说，即使不能说It is warm, not to say hot. 天气虽说不上热，但也够暖了。He was impolite, not to say rude. 他即使不是粗鲁，至少也是没有礼貌。There’re ten of us ready to help, not to mention the children. 我们有10个人愿意帮忙，还不算小孩。They have three dogs to look after, not to mention the cat and the bird. 他们有三只狗要照顾，更别提那只猫和鸟了。

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