The custodian have to see him darting behind and forth in the darkness.

看守人看见他在黑暗中奔来跑去。

youdao

Hiding behind screen names, they communicated in chat rooms with other screen names, typing back and forth for hours.

他们在聊天室里，躲在网名后面，与其他网名你来我往，打字聊上个把小时。

youdao

The code behind the Web Part can use all.net features, so you can interact with Lotus Domino using any means necessary — ADO.NET, Web services, and so forth.

隐藏在Web Part背后的代码可以使用所有. NET功能，因此可以使用任何必要的方法(ado.net、Web服务等)与Lotus Domino进行交互。

youdao

In the alley behind Ford's, Mary Anderson watched John Peanut walking Booth's impatient horse back and forth.

NPR: Excerpt: 'Manhunt'

And also, yesterday, they searched about 40 different places in Germany - homes and apartments and an Islamic center - and took a lot of materials, including computers and so forth, that they hope will continue to provide information about whatever network might have been behind these three.

NPR: German Officials Look for Others in Terror Plot