threat

[θret]

n.威胁, 恐吓, 凶兆
vt. 威胁,恐吓

例句与用法：

Pollution poses a threat to the continued existence of this species.

污染对这一物种的继续生存造成了威胁。

The threat of war has depressed business activity.

战争的威胁使经济萧条。

The situation poses a grave threat to world peace.

这局势对世界和平构成了严重的威胁。

Terrorism is a threat to the whole country.

恐怖主义是整个国家的祸根。

His presence is a threat to our success.

他的出现对我们的成功是一个威胁。

There was a threat of typhoon.

有刮台风的征兆。

The threat of an economic depression hangs over the world.

经济衰退的威胁笼罩着世界。

词形变化：

动词过去式: threated | 动词过去分词: threated | 动词现在分词: threating | 动词第三人称单数: threats |

详细释义：

n.

1. 威胁, 恐吓[C][U][+to-v]

2. 构成威胁的人(或事物)[S][(+to)]

Some people think that machinery is a threat to their jobs.

一些人认为机器是对他们工作的一种威胁。

3. 凶兆; 征兆[S][(+of)]

The clouds brought a threat of rain.

阴云带来要下雨的征兆。