The alert was issued after the kidnapping and rescue of a New York Times reporter in Kunduz province.

VOA: standard.2009.09.10

This is more of a spoiler alert, but you've had 41 years to see this movie.

它不只是一个扰流警报，但是你用了41年来看这个电影。

哈佛公开课 - 计算机科学课程节选

Because it's a very intense job they have to be alert every moment.

因为是高度集中的工作,他们需要时刻保持警惕。

普林斯顿公开课 - 国际座谈会课程节选

"Some people have questioned, 'well, you put us on a general alert a couple of weeks ago and nothing happened, '" Ridge said.

CNN: Americans urged to carry on despite terror alert

His translation to TMS commentator - frustratingly late for his taste - came in 1974, appropriately at Headingley, but as he took the microphone for the first time a bomb alert brought a suspension in play.

BBC: Don Mosey

Mr. MAYS: Well, there are a couple: There was a First Alert Kit and a PRO-LAB Lead Surface Kit.

NPR: Do Home Lead-Testing Kits Work?