They need to be alert and undistracted.

他们必须得集中精力，不能分神。

Give yourself three full hours undistracted.

给自己三个完整的小时，不要分。

I want you to take the full test start to finish undistracted.

我希望你参加完整的考试，从头到尾旁骛。

One group was left undistracted while the other had to engage in a conversation using a speakerphone.

一组不，而另一组则不得不使用免提电话进行对话。

I bounded indignantly in my seat, but the examining magistrate was continuing his questions, undistracted by side issues.

我气愤地在座位上蹦蹦跳跳，但预审法官仍在继续他的问题，没有被其他问题分。

(Cheers) I mean, where else do you witness this: (Cheers) this many humans, connected, focused, undistracted and unfragmented?

（杯）我的意思是，你还能在哪里看到这一点：（杯）这么多人，相互联系，专注，不分，不分散？