更遑论

They are safe and effective, not to mention hypoallergenic.

他们是安全和有效，更遑论过敏性。

Teddy Jr could barely walk with his new artificial leg, let alone go out in the snow.

刚刚装上假肢的小泰迪几乎不能迈步，更遑论在雪地里行走。

It´s not fickleness or clamor, let alone epitome of the bubble culture.

这不是出尔反尔或喧哗，更遑论泡沫文化的缩影。

I actually don´t know any high school dropouts, let alone any successful ones.

其实，我不知道任何高辍学，更遑论任何成功的。

Fear is often what´ll keep us from getting something done, let alone something great.

恐惧往往使我们不能把事情做好，更遑论把事情做卓越。