I looked up and down the corridor.

我来回扫视着走廊。

《牛津词典》

He kept pumping my hand up and down.

他不停地摇动着我的手。

《牛津词典》

He jigged up and down with excitement.

他激动得又蹦又跳。

《牛津词典》

They turned tail. Away they went over the hill and down into the field in wild disorder, and we after them.

VOA: special.2009.01.03

The sad friends of Truth in this fable have gone up and down, gathering up Truth limb by limb still as they could find them.

在这个寓言中真理悲伤的朋友到处游走，收集真理的碎片仿佛他们真的能找到这些碎片。

耶鲁公开课 - 弥尔顿课程节选

If the Fed wants to push the Federal Funds Rate up and down it goes and buys short-term government bonds.

如果联邦希望推动,联邦资金利率上升下降,它将会去买短期的政府债券。

耶鲁公开课 - 金融市场课程节选

Horsup jumped up and down on top of the soil, hoping to stir the creature below.

BBC: Protecting a wombat species that is as fast as Usain Bolt

So the market moves to new levels, both up and down, in sharper intraday moves.

FORBES: Watch Out For The Quants

And the canal became a lifeline for communication, with government couriers running messages up and down the waterway.

BBC: Beijing��s extraordinary Grand Canal