Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.

安全设备需要列出其散播的频率——这意味着，潜在的盗贼只需稍微谷歌搜索一下，就可以找到他们需要知道的东西。

youdao

They need to know if reform will help solve the problem.

他们需要知道改革是否有助于解决问题。

youdao

During your child's first year in school, much time will be spent in learning to read and they need to know that this is fun and worthwhile.

在您孩子上学的第一年，很多时间将花在学习阅读上，他们需要知道这很有趣，很有价值。

youdao

He says they have been given what they need to know to ensure the safety of airplanes and marine vessels in the region of the planned launch.

VOA: standard.2009.03.12

We don't pay attention to them when they are going beyond three, but now we know we need that.

我们以前并没关注他们,对三维以上空间的研究,但是现在我们知道也需要关注那些东西

耶鲁公开课 - 基础物理课程节选

And it's pretty expensive to do so because I think they know you need to do it.

这样做很贵，因为我想他们知道你需要这么做。

公共交通更方便 - SpeakingMax英语口语达人

They need to know he is willing to put the country ahead of his unpopular party.

CNN: Analysis: Four things McCain needs to accomplish this week

They need to know that they, too, can achieve greatness and make their organizations great .

FORBES: Greatness Revisited

Other museums want to do the same, but they need to know what they hold first.

ECONOMIST: New efforts to bring publicly owned paintings to light