It was too expensive, to say nothing of the time it wasted.

这太贵了，更不用说它浪费的时间了。

《牛津词典》

Even grown-ups can't lift it, to say nothing of children.

连大人都举不起来，更不用说孩子了。

youdao

Both the Romanow Commission and the Kirby committee on health care—to say nothing of reports from other experts—recommended the creation of a national drug agency.

Romanow 委员会和 Kirby 卫生保健委员会——更不用说其他专家给出的报告了——都建议建立一个全国性的药品机构。

youdao

People say the sound of thunder that sometimes carries over the dry land around the Pecos River is nothing more than Pecos Bill's family laughing up a storm.

VOA: special.2009.11.28

So, find an important problem. Work on it, and to say nothing of the wireless device there.

所以，找到了关键问题，并努力去解决它，先说明，这并没有无线设备。

麻省理工公开课 - 固态化学导论课程节选

Now,it's very tempting at this point to say,look,of course Nothing could be easier ? Just imagine being in heaven forever,right?

现在我很想说，当然了,这没什么难的,只要想象永远在天堂就行了对不对？

耶鲁公开课 - 死亡课程节选

The same dependency on Iran is operating with Hamas, as well, to say nothing of Syria.

CENTERFORSECURITYPOLICY: Is Petraeus going native?

The chaos in financial markets--to say nothing of exploding volatility--has been a windfall for exchange operators.

FORBES: About Robert Greifeld

Not end, to say nothing of verifiably dismantling its burgeoning covert nuclear weapons complex and programs.

CENTERFORSECURITYPOLICY: Arms controllers return