You can dress it up or down.

既可以正式，也可以随意。

Just nod your head up or down if it was recently.

如果是最近，只要点头就行了。

But he might be a mile or two up or down by now.

但是他可能就在这上下游一两英里远的地方。

OK, I see. What's the exchange rate? Is the dollar up or down?

好的，我知道了。人民币的汇率是多少？美元是升了还是降了？

UNIDENTIFIED MALE: Does the market excite you when it goes up or down?

市场涨跌会让你感到兴奋吗？

When " up" or " down" are followed by the preposition " for" it changes the meaning.

当" up" 或" down" 后面跟着介词" for" 时，意思就变了。

That is they would vote up or down whether they would have slavery in their own territories.

也就是他们将投票是否在其领土内实行奴隶制。

So do I always keep the weight constant? I don't have the weight go up or down?

那是一直保持同样的负重吗？不用增加或减少重量？

" All right, " replied Peter. " You're the eldest, D.L.F.What do you vote for? Up or down? "

“好吧。”彼得回答道，“你年纪最大，DLF，你投什么？往上走，还是往下？”

So when an electron jumps up or down, it absorbs or emits a very specific color of light.

所以当一个电子往上或往跳下时，它会吸收或发出一种特定颜色的光。

When you buy an asset, like a share or a bond, its price can go up or down.

当你购买一项资产时，比如股票或债券，它的价格可能上涨，也可能下跌。

The agent interacts with the world by deciding whether or not to move the paddle up or down.

代理通过决定是否向上或向下移动桨来与世界交互。

They have a history of going up or down in value by large amounts and very quickly.

货币价值有快速大幅上升或下降的历史。

It's not moving up or down. It's not accelerating up or down.

它没有向上或向下移动。它没有加速上升或下降。

They could confine their remarks to something like " profits are up (or down)" , which would be relevant information.

他们可以将自己的言论限制在“利润上升(或下降)”这样的话上，这是些相关的信息。

This he furnished completely with a wonderful stage, brilliantly lighted, and a marvelous curtain that went easily up or down.

这个剧场拥有完美的舞台，闪亮的灯光，很容易上下的华丽窗帘。

To scroll up or to scroll down, to move text or pictures up or down on a computer or phone.

向上或向下滚动，在计算机或手机上向上或向下移动文本或图片。

You can't move them up or down completely.

您不能完全向上或向下移动它们。

It's nothing extreme in terms of going up or down inclines but just be prepared for stepping on uneven surfaces.

就上升或下降的坡度而言，这并不是什么极限的事情，你就只需准备好踏上不平整的土地就行了。

" Stagnation" means that there's hardly any movement, up or down.

“停滞”意味着几乎没有任何运动，无论是向上还是向下。