1.来回地,反复地
1.moving first in one direction and then in the opposite direction many times
1.Once you get used to it, and to the particular person you're pairing with, you slip into a flow, switching back and forth naturally.
一旦您习惯了这种做法，并且适应了与您结对的特定人员，您就会进入这种流程，很自然地来回互换角色。
2.Edward, I've gone back and forth the last few days trying to decide whether or not I should even write this.
这几天我思前想后，考虑是不是该给你写这封信。
3.A sport played by volleying a shuttlecock back and forth over a high, narrow net by means of a light, LONG. - handled racket.
羽毛球一种体育运动，在一定高度、宽度的网子范围内用一只轻的长柄球拍前后截击羽毛球
4.We had this ability to be kind of a yin and yang on problems: one guy would say that's unsolvable, and our roles would flip back and forth.
在解决问题上，我们是阴阳相济的：其中一个人可能会说这个问题没法解决，然后我们的角色就会此消彼长。
5.In this pose, your stomach is almost touching his bent knee; use it for support and leverage as you rock back and forth, and up and down.
这种姿势，你的腹部几乎接触到了他弯曲的膝部；利用它做支撑保持平衡，你可以前后或者上下摆动。
6.But the legal back-and-forth didn't appear to derail the discussions about splitting up Wachovia, said people familiar with the matter.
但是知情人士称，法律上的纷纷扰扰看起来并没有使瓜分Wachovia的讨论停顿下来。
7.Documents can be worked on live, rather than emailing copies back and forth and trying to keep track of versions.
我们可以在线进行文字工作，而不是把复制文本通过电邮寄来寄去，试图找寻版本。
8.You know, do all the pianos in Redmond on Monday rather than going back and forth across 520 three times a day.
你知道意思，星期一把Redmond地区的钢琴全部搞定，而不是一天之内在520公路来来回回三趟。
9.Users can finger-swipe back and forth across various articles from a single news source, or up and down through up to 20 news sources.
用户可以手指轻扫在各种物品来回从一个单一的新闻来源，或向上和向下通过多达20个新闻来源。
10.No, she was in a conversation with a group of people and talking back and forth. And. . . I'll let Governor Palin speak for herself.
不，她在与一群人对话和交谈。而且…我会让佩林州长自己辩白。