1.And if left unchecked, they could pose a growing threat to the United States.

如果我们疏于防范，他们就可能坐大而威胁合众国安全。

2.Unchecked climate change means they could grow larger still.

不受控制气候变化意味着它们还会变得更大。

3.The region is despoiled of its scenic beauty by unchecked development.

这个地区由于发展不受控而失去了美丽风景。

4.This habit, if left unchecked, may cause serious problems later.

【unchecked】这种习惯如果听之任之，以后可能会引发严重问题。

5.But observers say in Kenya, campaigns are largely unchecked and unregulated.

但观察，在肯尼亚，竞选活动基本上不受控制和管制。

6.If left unchecked, stress can be severely detrimental to your well-being.

如果任其发展，压力会严重损害你健康。

7.Privacy advocates are worried about the unchecked growth of aerial surveillance.

拥护群对空中监视无限制增长感到担忧。

8.Oh, except the one on leadership qualities, he left that one unchecked.

哦，除了“领导才能”那项，他没有打勾。

9.But the unchecked urbanization of coastal communities is a recipe for disaster.

但是沿海社区无节制城市化就是造成灾难原因。

10.The unchecked stream flows smoothly down its appointed channels into a calm well-being.

没有受到阻碍水流就沿着既定渠道和平地流静谧幸福。

11.You had water, sewer networks that allowed for this kind of unchecked expansion.

供水管网，污水管网也使得不断扩张成为了可能。

12.If allowed to proceed unchecked, the public will eventually inherit a major catastrophe.

如果允许肆意发展，公众最后所继承到将是一场巨大灾难。

13.A faction, left unchecked, can grow so powerful it takes control of the leaders.

一个派系，如果不加以控制，可以发展得相当壮大，以至于最终控制团体首领。

14.The longer your stress goes unchecked, the more damage it can do to your brain.

压力不受控制时间越长，对大脑造成损害就越大。

15.That meant, that you know, the disease basically spread unchecked the first few hundred days.

这意味着，在最初几百天里，这种疾病基本上没有受到抑制地传播。

16.This has led to unchecked seaweed growth, which threatens to degrade entire coral reefs.

这导致了海藻过量生长，威胁到了整个珊瑚礁生存。

17.The plague spread completely unchecked and some parts of Europe were hit harder than others.

瘟疫完全不受控制地蔓延，欧洲一些地区受到打击比其他地区更严重。

18.If these feelings of inferiority are left unchecked, it could develop into something more severe.

如果这些自卑感不加以控制，它可能会发展成更严重事情。

19.In the ruling, Mr. Pauley acknowledged that the program, if unchecked, imperils the civil liberties of citizens.

在裁决中，鲍利(William Pauley)承认，如果不加限制，该项目确实会危害公民自由权。

20.But disorganization can start to wreak havoc on all areas of your life if left unchecked.

但如果不加以控制，杂乱无章状态可能会对你生活造成严重影响。