更不用说...

Having grown up in the big city, I never had the opportunity to see birds up so close, let alone watch newborn babies waking, sleeping, eating and pooping.

我从小在大城市长大，从来没有如此近距离的观察过小鸟成长的过程，更不用说看鸟儿如何醒来，睡去，甚至大便。

But Mr Kibaki still seems loth to share power, let alone contemplate rerunning the election under international supervision.

但是齐贝吉先生似乎仍然不愿分享权力，更不用说在国际监督下重新进行选举。

Not to mention about the slangs and idioms.

更不用说那些俚语和俗语了。

Yawning deficits will force governments worldwide to cut back on necessary expenditure, let alone unnecessary splurging.

巨大的赤字将迫使全球政府不得不在必要的支出上有所削减，更不用说那些不必要的浪费了。

Technology is creating a global economy that is rapidly supplanting our old national economies.

虽然各国政府在控制这一新的经济形式上力不从心，然而，没有哪个国家愿意携起手来，合力对付它，美国就更不用说了。

Many didn't have enough money for food, let alone buy tolls for their children.

许多人没有足够的钱去购买食物，更不用说为自己的孩子买玩具了。

But others with soft tucks above and below the waist looked perfectly sane, not to mention pretty.

但其他软tucks上面和下面的腰部看起来完全理智的，更不用说漂亮。

I even studied Chinese calligraphy, but my calligraphy was ugly then and it is even uglier now.

我甚至还学习了中国书法，但是我的汉字写得很难看--现在更不用说了。

Not to mention dogs that are pros at weaseling extra morsels of food away from their human family members with a sad look.

更不用说那些善于装出可怜相从人类家人手里骗走额外食物的狗狗高手了。

I can't add one and one, let alone do fractions .

我连一加一等于几都不知道，更不用说做分数了。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。