Hayley教口语，“更不用说”用英语怎么说？

In addition to or as well as what's been discussed. Typically used to mention an additional item when listing things that one considers negative.

除了已经讨论过的之外。通常用于在列出一个人认为是负面的东西时，提到另一项作对比。

She can't afford a car, not to speak of a house.

她连车都买不起，更别提买房了。

We defy death, not to speak of hardship and difficulties.

我们死都不怕，更不用说艰难困苦了。

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。