Back and forth, back and forth.

来来回回，你来往。

She took his arm and spoke gently to him, and together they walked up and down for a long time until at last Dr Manette went quietly to bed.

她抓住了父亲的手，温柔地对他说着话，并且和他一起来来回回走了很长时间，直到最后马内特医生安静地上了床睡觉。

Oh my, this is a lot of back and forth, like, I need an assistant.

老天，这来来回回的，都需要个助理了。

'Back and forth' is also often used about conversation.

“来来回回地”也常用来形容对话。

I see a man. He is across the street. He is walking back and forth.

看到一个男人。他在马路对面来来回回踱步。

We'll go back and forth, just like this, nice and natural, alright?

来来回回，就像这样，非常然地进行，好吗？

Since then there has been enough legal back-and-forth to bore the most ardent plane-spotter.

那时起，来来回回的法律纠纷足以让热心的飞机观察员感到厌烦。

He looked up and down the staff table. There was definitely no new face there.

哈利来来回回扫视着教工桌子，毫无疑问，没有一张面孔是新的。

It's a negotiation, a back-and-forth, between the writer, the text, and the reader.

它是作者、文本和读者之间的一种协商，一种来来回回的协商。

And they were like going back and forth and using their eyebrows to express things.

他来来回回，用眉毛来表达一些东西。

All day long, I'm building family trees, backwards and forwards and backwards and forwards.

整天都在画家谱，来来回回的画。

Patrasche watched the milk-cans come and go the first day after he was well.

帕特拉斯基康复后的第一天，看着这些牛奶罐来来回回地拉着。

I go back and forth to feed him.

来来回回就是为了喂他。

And we rock a little back and forth here exploring the other side.

来来回回地摇摆，探索另一边。

He rocked us back and forth as the room grew lighter.

他来来回回地摇着，房间里渐渐明亮了起来。

Quite often, our linens are cream-colored and to reach the optimum level of white, well, we might have to to and fro for quite some months before we reach that white that we so desire.

通常的亚麻布是米黄色的，在达到理想的白度之前，可能要这样来来回回好几个月。

There's been cabs up and down this street all night. - This one's stopped. - He's looking for a fare. - But we don't know it's him. - We don't know it isn't.

整晚有很多的士来来回回这条街。-这辆车却停下了。-他在拉客。-不能确定是他。-也不能确定不是。

He walked up and down on the porch, but he could not think of a story. He stood on his head, but he could not think of a story.

它在走廊上来来回回地走，但是它还是想不出来。

Cricket is usually considered a summer sport in Australia, and throughout the country you will see players dressed all in white, hitting and running after the ball.

在澳大利亚，板球通常被认为是一项夏季运动，在澳大利亚全境，你都会看到身着全套白色运动服的运动员，在球场上来来回回击打和追逐板球。

The Whomping Willow was creaking and lashing out with its lower branches; they could see themselves darting here and there, trying to reach the trunk.

打人柳正在吱吱嘎嘎地作响，用它的下部枝条抽打着；他可以看见他己来来回回地到处乱冲，设法要走近树干。