With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?

通过将正确的设备调整到正确的频率，如何防止小偷干扰你的设备阻止警报信号到达基站呢？

youdao

Farmer is very concerned about the need to alert the public to poor security and, so far, events have proved him right.

法默非常担心需要提醒公众注意糟糕的安全状况，到目前为止，事实证明他是对的。

youdao

I mention this because such complications should alert the careful reader. Right?

我提到这个是因为这样的复杂度应该引起细心的读者的注意。对吗？

youdao

I mention this because such complications ? should alert the careful reader. Right?

我提到这个是因为这样的复杂度,是细心读者应要留神的地方，对吗？

耶鲁公开课 - 政治哲学导论课程节选

" The letters would alert "right-wing groups to a variety of potential dangers, including legal trouble, public exposure and watchdog groups digging through their lives.

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All that Obama has managed to do with this pick is alert the world that John McCain is right: He does have a glaring weakness in foreign policy.

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"The Muslim community has been cooperating with authorities for a number of years and people do the right thing when there is reason to alert authorities, " Syed said, adding that he was speaking for the imam, who wished to remain anonymous.

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