unprovoked

adj.

1. 未受挑衅的；无端的
   not caused by anything the person being attacked has said or done
   1. an act of unprovoked aggression
      无端的侵犯行为
   2. Her angry outburst was totally unprovoked.
      她的暴跳如雷完全是无理取闹。

1. （攻击）非因触犯而发生的，无缘无故的
   If someone makes an unprovoked attack, they attack someone who has not tried to harm them in any way.

1. I ask taht the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, December 7th, 1941, a state of war has existed between the United States and the Japanese Empire.
   我要求国会宣布：自1941年12月7日星期日日本发动无端的、卑鄙的进攻时起，美国和日本帝国之间已处于战争状态。
2. I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, Dec.7, a state of war has existed between the United States and the Japanese empire.
   我要求国会宣布：由于日本在1941年12月7日星期日对我国无故进行卑鄙的袭击，美国同日本已经处于战争状态。
3. The Pakistani official said Indian soldiers shot the civilian, named Kaka Sana, at about 8:30 a.m., calling it an unprovoked firing.
   那位巴基斯坦官员说，印度士兵周四上午8点30分左右向平民萨那（KakaSana）开枪，称其开火毫无来由。
4. Blackwater officials say the guards were protecting diplomats when they came under fire, but Iraqi investigators concluded the shooting spree was unprovoked.
   黑水官员称当他们开枪时，护卫人员正在保护外交官的安全，但是伊拉克的调查人员推断说这次疯狂开火是毫无来由的。
5. The Group of Seven nations called on Russia Wednesday to 'cease all efforts to annex Crimea' and condemned its 'unprovoked violation of Ukraine's sovereignty.' But there was no sign of real, meaningful sanctions.
   七大工业国（GroupofSeven）周三呼吁俄罗斯停止一切吞并克里米亚的努力，并谴责俄罗斯无故侵犯乌克兰主权的行为。但没有迹象显示俄罗斯将真正受到有实质意义的制裁。
6. This malicious and unprovoked attack astounded him.
   这个恶意的无端攻击使他吃惊。
7. I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday, December seventh, a state of war has existed between the United States and the Japanese Empire.
   我问国会声明自从日本的无缘无故和懦夫的进攻以来星期日，十二月第七日，一种战争状态已在美国和日本的帝国之间存在。
8. But, if want to make breakthrough technology innovation or based on personal contribution strength as well as hard work, on the basis of the pie is never unprovoked fell from the sky.
   但是，如果想在科技创新方面做出突破性的贡献还是要建立在个人实力以及刻苦努力的基础上，馅饼是决不会无缘无故从天上掉下来的。
9. Because of this unprovoked dastardly attack by Japan, I ask that congress declare a state of war.
   由于日本无故发动卑鄙的袭击，我要求国会进入战争状态。
10. The Pakistan military insists the attack on the checkpoint was "unprovoked" and that it lasted for two hours, even though Pakistani forces had contacted Nato, pleading for the firing to stop.
    巴基斯坦军方坚称发生在检查点的攻击是“毫无理由的”，并且攻击持续了两小时，甚至在巴基斯坦军方联络北约请求停火后依然进行。
11. This was a vicious and unprovoked attack.
    这是一次残暴的无端攻击。
12. The International Shark Attack File describes shark attacks as either provoked or unprovoked.
    国际鲨鱼攻击档案形容鲨鱼攻击要么是受到了挑衅，要么是无故的。
13. Epilepsy is defined by two or more unprovoked seizures.
    癫痫是指两次或两次以上的无端发作。
14. Violent action that is hostile and usually unprovoked.
    敌对的并经常无缘无故的暴力行为。
15. Head traumas may induce unprovoked aggression.
    头部受伤会使他们无缘无故就去攻击人。
16. Fleeing the unprovoked invasion of their homeland, Kashmir's Hindu prince and Muslim political leader went to India, pledging to merge with it if India would help repel the invasion.
    为了逃离无端的侵略战争，克什米尔的印度教贵族和穆斯林领导人前往印度游说，如果印度帮助克什米尔抵御侵略，那么他们将归附印度。
17. They are often depicted by media, particularly in films, as the proponents of massive brawls and unprovoked violence.
    他们往往是被媒体描述的，特别是在电影，作为支持者的大规模斗殴和无端的暴力行为。
18. Motiveless malignity; unprovoked and dastardly attack-f.d.roosevelt.
    无缘无故的敌意；无缘无故的怯懦的攻击-f.d.罗斯福。
19. Her angry outburst was totally unprovoked.
    她的暴跳如雷完全是无理取闹。
20. Police claimed they were forced to fire after coming under unprovoked attack.
    警察宣称他们在受到无缘无故的袭击后被迫开枪还击。
21. The US should speak plainly to China, but casting its policies as an unprovoked assault on the US economy is absurdly one-sided.
    美国应与中国坦率对话，但是，断言中国的政策是对美国经济的不宣而战，则是荒谬、片面的说辞。
22. The attack, which the UN has called unprovoked, took place in the Abyei region, which is being claimed by both sides.
    联合国称，这次无正当理由的袭击发生在阿卜耶伊地区，南北双方均声称这里是自己的领土。
23. Scorn, bitterness, unprovoked malignity, gratuitous desire of ill, ridicule of whatever was good and holy, all awoke to tempt, even while they frightened him.
    轻蔑、狠毒、无缘无故的恶言秽行和歹意；对善良和神圣的事物妄加嘲弄，这一切全都会唤醒起来，虽说把他吓得要命，却仍在诱惑着他。
24. We aimed to identify the strongest predictors of VTE recurrence after discontinuation of oral anticoagulant therapy in a population of both provoked and unprovoked patients.
    本研究旨在针对触发和非触发人群，当终止口服抗凝药物治疗后，探究如何识别VTE复发的最强预测因子。
25. They said the attack had been unprovoked.
    他们说那次攻击是无缘无故的。
26. Marky's gig was up, however, when new allegations of racism and homophobia hit the press at the same time as Wahlberg was tried for the unprovoked assault of a security guard.
    然而，不久他的短期歌唱表演生涯就结束了。他的种族歧视及反同性恋主张同时遭到媒体的挞伐，同时他也涉嫌无故攻击一名保安人员。
27. Of course, the US could launch an unprovoked blockade or even war against China or India.
    当然，美国可能对中国或印度进行无缘无故的封锁，甚至挑起战端。