It can potentially be quite hazardous.

它可能是相当危险的。

Suddenly a lot of hazardous regions were deemed safer.

一夜之间，许多危险区被认定为较安全区。

Anything over 300 is considered hazardous air quality.

空气质量指数超过300被认为是有害的空气质量。

As Ms Williams's example shows, birth can still be botched and hazardous.

正如威廉姆斯女士的例子所表明的，生育仍然可能有危险的意外。

If it breaks it's considered a hazardous waste site.

如果它坏了，就会被认为是危险废弃物。

An early-season snow fall made roads hazardous in central states, including Oklahoma.

这场大雪使得中部城市的道路变得异常危险，包括俄克拉马州。

Their cartographers were literally coloring in these maps and labeling that color " hazardous" .

他们的制图师在这些地图上涂上不同颜色，并贴上" 危险" 的标签。

To start, not all radiation is hazardous.

首先，不是所有的辐射都有危险。

Malaysians wore face masks and schools closed because the air was so hazardous.

马来西亚戴着口罩，校了，因为空气太危险。

Authorities warned that a hazardous eruption is possible within hours or days.

当局警告称，在数小时或数天内可能会出现危险的火山爆发。

Lake Michigan's waves turned hazardous for beach-goers in Grand Haven, Michigan.

密歇根湖的巨浪为密歇根州格兰黑文的海滩游客带来危险。

So how big is the problem of hazardous chemicals left at the site?

因此现场的化品有多大危险?

But who on Earth is keeping an eye on this potentially hazardous cosmic blasts?

但到底谁会留意这种宇宙爆炸波的潜在危害性呢？

You can actually survey a hazardous environment before bringing a human into that area.

在将类送入某个充满危险的区域前，这类机器就可以派上用场先行探索。

Eighty percent of these, around 200 million, work in dangerous and hazardous conditions.

约2亿（80%）儿童的工作条件极其危险。

El Mecanico, he's a cautious man in a hazardous line of work.

机械师是个做危险工作的谨慎的。

Even for its full-time occupants the inside of a cell is a hazardous place.

即使对长期待在细胞里面的成员来说，这里是一个险象环生的地方。

People hesitated whether to begin the hazardous journey to the unkown west or not.

们犹豫是否要开始冒险去未知的西部。

Four machines that can strip plastic will prevent the burning that produces hazardous smoke.

这四台机器能剥去塑料外壳，防止燃烧产生有害烟雾。

These individuals who have hazardous sent back to Haiti to a dangerous and stable country.

这些有危险的被送回海地，回到一个危险、不稳定的国家。