n.威脅；恐嚇；兇兆

His presence is a threat to our success. 他的出現(xiàn)對我們的成功是一個威脅。

Pollution poses a threat to the continued existence of this species. 污染對這一物種的繼續(xù)生存造成了威脅。

He took not notice of his father's threat. 他不理會他父親的恐嚇。

There was a threat of typhoon. 有刮臺風的征兆。

threat屬于類名詞，句子We disregarded all his threats里的threats不能以它的單數形式threat出現(xiàn)；

threat后可接to的不定式。 The tenants disregarded their landlord's threat to expel them.這些租客完全漠視房東要把他們驅趕出去的威脅。

threat后可接不同的介詞，如of，to等。 There was then a continual threat of war.There was then a continual threat to peace.