He stumbled to a halt, clutching at the stone wall, listening with all his might, looking around, squinting up and down the dimly lit passageway.

他踉跄着停下脚步，抓住石墙，全神贯注听着，一边环顾四周，眯着眼睛在光线昏暗的过道里下下寻找。

Was it hard to interview them upside down?

下颠访他们很难吧？

I'm side to side, up and down the dial, yo.

我从一边到另一边 下下拨号。

But then his expression lightened as he looked me over, and he laughed.

但在他下下把我检查了一遍以后，他的神情明朗起来，他笑了。

Twice Dumbledore walked right around the cave, touching as much of the rough rock as he could, occasionally pausing, running his fingers backward and forward over a particular spot, until finally he stopped, his hand pressed flat against the wall.

邓布利多从左边绕着岩洞走了两圈，边走边尽可能触摸粗糙的洞壁，偶尔停下来用手指在某个方下下摸索一番。最后，他终于停住脚步，把手掌平按在洞壁。

In mid air, just as his jaws were about to close on the man, he received a shock that checked his body and brought his teeth together with an agonizing clip.

半空里，就在他的牙齿快要咬住那个人的一刹那，他猛然受到一击，这一击遏制了他的进攻，下牙也嘭磕到一起，把他震疼了。

His mother always used to wade in the stream and cast her bright beady eyes upstream and down and thrash around a bit; then she would put her trunk swiftly into the river and drink in the delicious water.

他的母亲总是在河里趟着水，那双明的、的眼睛下下扫视着周围；然后，她会把鼻子迅速投入河里，喝在美味的水。

Holmes drew one of the chairs into a corner and sat silent, while his eyes travelled round and round and up and down, taking in every detail of the apartment.

福尔摩斯搬了一把椅子到墙角，默默坐在那里，他的眼睛却前前后后，下下不停巡视，他观察细致入微，对房间的每个细节都注意到了。

And he's able to use them quite well in context, paraphrasing key words from the questions and using some detailed vocabulary for certain explanations and examples.

而且他能够很好在下文中使用它们，从问题中解释关键词，并使用一些详细的词汇来进行某些解释和举例。

Nothing, Sir, he said. The shadows on the wall from his light were jumping up and down as his hand shook.

“没干什么，爵爷，”他说道。由于他的手抖动着，墙壁烛光里的人影也不停下跳动着。

When she moved about there was an incessant clicking as innumerable pottery bracelets jingled up and down upon her arms.

她走动的时候，不断发出叮叮当当的声音，因为许多假玉手镯在她胳臂面下下抖动。

The owner owns everything above and below the ground—down to the center of the earth and up to the sky.

而土的主人则拥有这块的下所有东西——下至心，至天空。

The shadows on the wall from his light were jumping up and down as his hand shook.

由于他的手抖动着，墙壁烛光里的人影也不停下跳动着。

Every single line of the show, we're putting a feeder up and down constantly.

这部剧的每一句台词，我们都在不停下调整灯光。

So as you drive down it, it's like you're going up and down.

所以当你沿着这条路行驶时，就像你在下下颠簸。

It is time for us to travel this mountain up and down.

是时候我们在这座山下下探索一番了。

The difference in use is probably related more to the context, to the situation.

使用的差异可能更多与下文、情境相关。

So you will have to go up and down, and up and down, many times.

因此，你必须下下、下下走很多次。

So it's just been, you know, walking up and down the stairs in the office.

所以，你知道的，就是在办公室里下下走楼梯。

So he's like sort of jumping up and down, shaking his head, doing that thing.

所以他就在那儿下下跳着，摇着头，就是那种样子。