Currently, North Korea just raised up their military alertness.

目前, 朝鲜只是提高了他们的军事警戒。

That is what the police are on high alert for now.

这就是警方目前处于高度警戒状态的原因。

Animals that pair visual warnings with other defenses are called aposematic.

将视觉警戒和其他防御一起使用的动物是具有警戒色的动物。

On November 18, it raised the alert level on White Island from 1 to 2.

1118日，该机构将怀特岛的警戒级别从1级提高到2级。

Did what I wanted. It lowered his guard.

也算达成目的了，降低了他的警戒。

The red line we are talking about today involves Syria.

今天我们正在谈论的警戒线涉及利亚。

Many of the park staff have cautionary tales about buffalo.

园区很人员都有和水牛有关的警戒故事。

It is simply impossible for the Mexican government to adequately police and patrol the entire thing.

墨西哥政府根本不可能对整个地区进行充分的警戒和巡逻。

Then they broke through police lines.

然后冲破了警方的警戒线。

I suggest we establish basic protection around the place, then gather our students and meet in the Great Hall.

“我建议在学校周围设立基本的警戒，然后把学生都召集起来，在大礼堂会。

The road Carter Druse had been sent to guard was only a few miles from his father's house.

卡特·德鲁斯被派去警戒的那条路离父亲的家只有几英里。

On a picket line at Amazon Studios, she held a sign that said, " I hate it here."

在亚马逊的警戒线边，她举着一块标语，上面写着：“我讨厌这里。”

The idea of the red line is that if it's crossed, whoever set it could act in response.

警戒线的想法是如果它被越过, 无论是谁都将受到相应责任。

Armed officers are guarding synagogues across the US. Anti-Semitic attacks have been on the rise here in recent years.

武装警察正在警戒全美的犹太教堂，反犹太人的袭击最近几一直都在增加。

But their outsider status is exactly what helps them slip past security and make suspects let their guard down.

然而正是其局外人的身份，帮助他们绕过了人们的安全警戒，让嫌疑人放松了戒心。

Local media say he was pelted with stones or some onlookers tried to break through a police cordon protecting him.

当地媒体称，有人向该名难民投掷石块，一些旁观者试图突破警方保护他的警戒线。

Crystal Johnson, standing quietly a few feet from a line of police officers, said she just had to be there.

克里斯托·约翰逊安静地站在离警戒线几英尺的地方，她说她一定要参加抗议活动。

And he was like, I can't make them go any further than the police tape.

他说，我不能让他们走出警戒线以外的地方。

Security has been stepped up across France in the wake of the attack, with Paris placed on the highest alert level.

袭击发生后法国各地已加强了安保措施，其中巴黎的安保警戒提至最高级别。

'Cause you didn't set a proper perimeter.

因为你没做好周边的警戒。