n.名词
CU威胁,恐吓an expression of an intention to hurt, punish, cause pain, etc.
C可能造成威胁的人〔事,想法〕a person, thing, or idea regarded as a possible danger
S恶兆,兆头a sign, warning, or possibility of coming danger
Noun:
something that is a source of danger;earthquakes are a constant threat in Japan
a warning that something unpleasant is imminent;they were under threat of arrest
declaration of an intention or a determination to inflict harm on another;his threat to kill me was quite explicit
a person who inspires fear or dread;he was the terror of the neighborhood
danger，risk，hazard，menace，peril，threat这些名词均含有“危险、威胁”之意。
danger含义广，普通用词，指能够造成伤害、损害或不利的任何情况。
risk指有可能发生的危险，尤指主动进行某种活动或去碰运气而冒的危险。
hazard比risk正式，多指偶然发生的或无法控制的危险，常含较严重或有一定风险的意味。
menace所指的危险性最严重，表示使用暴力或造成破坏性的可能。
peril指迫在眉睫很有可能发生的严重危险。
threat普通用词，语气弱于menace，指任何公开侵犯对方的言行，给对方构成危险或威胁。
直接源自古英语的reat，意为众人，军队。
用作名词 n.
动词+～carry out〔fulfill, issue, make〕 a threat进行恐吓use threats使用恐吓形容词+～burning〔serious〕 threat严重威胁direct threat直接威胁名词+～security threat对安全的威胁war threats战争威胁介词+～under threat of在…的威胁下～+介词threat against sb's life对某人生命的威胁threat of drought干旱的威胁threat to world pace对世界和平的威胁
近义词 the那cloud云risk危险bomb炸弹omen征兆time时间clouds云peril危险alarm警报menace威胁hazard危险notice注意evil邪恶的dark黑暗的terror恐怖warning警告caution警告scare受惊吓portent前兆volcano火山on在 … 之上scourge灾难jeopardy危险dangerU危险quicksand流沙gathering集会horizon地平线sleeping睡着的intimidation恐吓time bomb定时炸弹foreboding不祥的预感caveat防止误解的说明…sleeping volcano休眠火山premonition不祥的预感…
用作名词n.His threats are just talk.Don't worry!他的威胁只不过是虚张声势的空话而已,不要担心!
The United Nations are trying to free the world from the threat of war.联合国力图使世界免于战争的威胁。
They carried out their threat to kill him.他们威胁要杀死他。
The murderer is a threat to everyone in the town.那杀人犯对镇上的每个人来说都是一种威胁。
The use of nuclear weapons is a horrible threat to the species.核武器对人类是一个严重威胁。
The threat of bankruptcy hung over the company.那家公司出现了破产的预兆。threat属于类名词，句子We disregarded all his threats里的threats不能以它的单数形式threat出现；
threat后可接to的不定式。
The tenants disregarded their landlord's threat to expel them.这些租客完全漠视房东要把他们驱赶出去的威胁。threat后可接不同的介词，如of，to等。
There was then a continual threat of war.There was then a continual threat to peace.
名词100%
He took not notice of his father's threat.他不理会他父亲的恐吓。
There was a threat of typhoon.有刮台风的征兆。