Ron was staring at it, looking slightly wary.

罗恩盯着它，心存戒备。

Does he always guard the premises in this way? asked Holmes.

他平日就这样地戒备吗？

Post sentries at all the outlying villages. Put the lookouts on full alert.

在偏远山村布岗放哨。城门全面戒备。

These men are always on their guard.

这些人随时戒备着。

We're gonna have to keep our guard up.

我们得有所戒备了。

There's heavy security at the courthouse.

法院里戒备森严。

Then why are you being so defensive?

你为什戒备？

There was also heavy security around government buildings.

政府大楼周围也戒备森严。

Needless to say, it is heavily guarded.

不用说，里戒备森严。

I like it when people leave their guards down.

我喜欢人们毫无戒备的时候。

Then why are you sounding so defensive?

你现在好像戒备心很强？

The prison domitory is heavily guarded.

监狱住所戒备森严。

So I feel like being defensive is sort of a natural reaction.

所以我觉得有戒备心是自然反应。

It is so guarded that there are no media tours allowed of factories.

这里戒备森严，不允许媒体参观。

But the country is now again on alert.

但是这个国家现在再次处于戒备状态。

The mosque was located in a heavily fortified area.

这座清真寺位于戒备森严的地区。

Our ground-based air defense weapons systems have been put on high alert.

我们的陆基防空武器系统已经处于高度戒备状态。

It's the Cold War and Americans are on red alert.

冷战时期 所有美国人都保持高度戒备。

A lockdown could mean massive negative press.

医院戒备这意味着大量的负面新闻。

So, as for the United Nations, it's on high, high alert actually.

所以，联合国实际上处于高度戒备状态。