英 [ˈθretnɪŋ] 美 [ˈθretnɪŋ]
adj. 威胁（性）的，恐吓（性）的；（天气状况）险恶的，（海）险恶的；凶兆的
v. 威胁，恐吓；危及，对……构成威胁；预示凶兆，有……危险（threaten 的现在分词）[1]
Threatening letter 恐吓信
life-threatening 危及生命 ; 威胁生命的 ; 生命危险 ; 致命的
Threatening Shout 恐吓怒吼 ; 挫志怒吼
Threatening Asteroids 威胁地球的小行星 ; 要挟地球的小行星
U Ugly and threatening weather 险恶天气
Face Threatening Acts 威胁面子的行为 ; 面子威胁行为 ; 威胁面子的 ; 威胁面子行为
Threatening Someone 威胁他人时 ; 要挟别人时 ; 威胁他人
non-threatening 压力 ; 不具威胁性的
Threatening Roar 威吓咆哮 ; 威吓咆啸 ; 咆哮[1]
His heart condition is not life-threatening. 他的心脏病不会危及生命。
My boyfriend was threatening to finish with me. 我的男朋友威胁说要跟我断绝关系。
Jack Frost was threatening to kill the new plants. 霜降危及新作物的存活。
Obscene and threatening phone calls are against the law. 猥亵电话和恐吓电话是违法的。
He has accused her of threatening to gouge his eyes out. 他控告她威胁要挖出他的眼睛。
People who engage in threatening behaviour should expect to be arrested. 有威胁行为的人应该被逮捕。
The fire is threatening about sixty homes, and residents have evacuated the area. 这场大火威胁着约六十个家庭，居民已经撤离了该地区。
You may find that just threatening this course of action will produce the desired effect. 你会发现仅仅是威胁要采取这个行动就能产生想要的效果。
They were threatening to bring down the government by withdrawing from the ruling coalition. 他们威胁要退出统治联盟以让政府垮台。
His words slowly relaxed her threatening attitude. 他的言语慢慢地缓和了她的威胁态度。
A new epidemic called SARS is threatening us right now. 一种叫做SARS 的新流行病正威胁着我们。
In China, posting threatening words online is also against the law. 在中国，在网上发布威胁性言论也是违法的。
Failing to be observant while walking or driving can be life threatening. 走路或开车时不注意观察可能会危及生命。
They never startled one robin by being sudden enough to seem dangerous or threatening. 它们从不会很突然吓到一只知更鸟，让它们好像觉得危险或受到威胁。
Given enough warning, it should be possible to push a threatening boulder out of the way. 如果予以足够的警示，就有可能把一块有威胁性的巨石推开。
Any idea that is sufficiently different from your current worldview will feel threatening. 任何与你当前世界观截然不同的观点都会使你感到受威胁。
First aid requires rapid assessment of victims to decide whether life-threatening conditions exist. 急救时需要对罹难者病情进行快速评估，以确定是否存在危及生命的情况。
Threatening happens not only face to face but also through the Internet, social media and the telephone. 威胁不仅发生在面对面的时候，而且还会通过互联网、社交媒体和电话产生。
The researchers hypothesize that crows learn to recognize threatening humans from both parents and others in their flock. 研究人员猜测，这些乌鸦从父母和鸦群的其它成员那里学会了辨认有威胁的人类。
Those who survive are at greater risk of developing brittle bones, life-threatening infections, kidney damage and heart problems. 那些存活下来的人面临着更大的风险，如骨头变脆，威胁生命的感染，肾脏损害以及心脏问题。
The sky was dark and threatening. 天空乌云密布，阴沉沉的。
It's threatening to rain. 天可能要下雨。
A storm was threatening. 暴风雨即将来临。
Pollution is threatening marine life. 污染正危及海洋生物。
The terrorists are threatening to blow up the plane. 恐怖分子扬言要炸毁飞机。
His temples pulsed a little, threatening a headache. 他的太阳穴跳动得有点厉害，预示着要头痛了。
The government is threatening to take drastic action. 政府警告说要采取断然措施。
Scalds, burns and poisoning can all be life-threatening. 烫伤、烧伤和中毒都有可能危及生命。
The fighting is threatening to turn into full-scale war. 这次冲突可能要演变成全面战争。
Caitlin was born with a life-threatening heart abnormality. 凯特琳先天患有危及生命的心脏病。[1]