threaten
单词辨析：
尤指以威胁或恐吓的方式胁迫某人做或不做某事，含如不服从将会有严重后果之意。
The boss threatened to fire him.
老板威胁要开除他。
Her father threatened to turn her out of doors.
她的父亲扬言要赶她出门。
The workers threatened a strike if the company refused to raise their pay.
如果公司拒绝增加工资，工人们威胁要罢工。
多指用目光、行动、武器等对别人进行恐吓，而不是用语言明白地表示出来。
The robber menaced him with a revolver.
歹徒用左轮手枪威吓他。
These measures menace their liberty.
这些措施威胁着他们的自由。
Many wild animals are still menaced by poachers.
许多野生动物仍然面临非法捕猎者的威胁。
指使人或事物遭受危险、破坏等。
Smoking endangers your health.
吸烟有害健康。
A war would endanger millions of lives.
战争会危及无数人的生命。
可与 endanger 换用，但更强调未来的危险。
The security of the nation was imperiled/endangered.
该国的安全受到威胁。
The flood imperiled/endangered the villagers' lives.
洪水危及到村民的生命。
指对人或事物构成威胁。
Pollution is threatening marine life.
污染正危及海洋生物。
This scandal threatens to ruin his chances in the election.
这桩丑闻威胁到他的竞选前途。
相关例句：
The newcomers directly threaten the livelihood of the established workers
新来的工人直接威胁到老工人的饭碗。
Even after their divorce he continued to stalk and threaten her.
即使在离婚后他仍继续纠缠和威胁她。
Our military ties threaten no third party.
我们的军事关系，不威胁任何第三方。
30 percent of reptiles, birds, and fish are currently threatened with extinction.
目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。
Will severe selection standards create elitism and threaten the Olympic ethic of participation?
严格的选拔标准是否会造成精英主义，进而危及奥林匹克重在参与的理念呢？
Did they attack or threaten you?
他们进攻或者威胁你们了？