Rising temperatures threaten this precarious environment.

不断上升的气温对本就缺乏稳定性的这一环境无异于一种威胁。

For such a powerful hunter, the polar bear lives a precarious existence.

然而就是这样强大的猎手其存却充满了不确定性。

And obviously now the situation is very precarious.

显然，现在的形势非常不稳定。

Advocates say the migrants precarious status makes them vulnerable to exploitation.

倡导者说，移民地位岌岌可危，这使得他们很容易受到剥削。

Despite their good health, life for young tigers is precarious.

尽管幼虎身体健康，但它们的活却岌岌可危。

Food security in this part of the state is precarious.

该州这一地区的粮食全岌岌可危。

And of course, for the people who have to flee, they are now at a very very precarious situation.

当然，对被迫逃难的人来说，这里已是非常危险之地。

And it also helped create Pakistan's precarious relationship with water.

这也造成了巴基斯坦与水的不稳定关系。

Those on precarious part-time contracts are particularly vulnerable to being fired while on maternity leave.

至于那些没有保障的兼职合约员工极有可能在休产假期间被解雇。

BBC's Daniel Gallas who's based in Sao Paulo says her situation is precarious.

本台驻圣保罗记者丹尼尔·加拉斯表示，罗塞夫地位岌岌可危。

This puts the dinosaur in a very precarious position if it happens to get attacked.

如果圆顶龙在这时遭到攻它会处于非常危险的境地。

So it's a very precarious position that Liz Truss finds herself in.

所以利兹·特拉斯发现自己处于一个非常不稳定的境地。

The phrase " on thin ice" means to be in a precarious or dangerous situation.

“on thin ice”这个短语的意思是处于不稳定或危险的境地。

With one shaky ceasefire following another, the situation in the capital Khartoum remains precarious.

接连的停火并不稳定，首都喀土穆的局势仍然岌岌可危。

The reason Josphat's fishing pools are far from safe is their precarious position.

约瑟法特的捕鱼地点之所以危险是因为他们所处的位置。

Their situation is precarious, but cannibalism for them isn't a last-ditch attempt to avoid starvation.

它们的情况很危急，但对于它们来说，同类相食并不是为了避免饥荒的孤注一掷。

They are tracked by a data operation that detects pupils in precarious positions before they quit.

他们被一个数据操作系统追踪，这个数据操作系统可以在他们退学前检测他们的不稳定状态。

Probably best to not put yourself in such a precarious position if you can avoid it.

尽量避免这样的情况发，最好不要把自己置于如此危险的境地。

Officials at the Jaipur Golden Hospital have told the BBC that the situation continues to remain precarious.

斋浦尔金医院的官员告诉BBC，直到今天早上情况依然很危急。

In a statement, it said the lives of the prisoners are at risk in Colombia's precarious jails.

并在声明中称因哥伦比亚监狱状况堪忧，武装人员的命受到了威胁。