unprovoked

an act of unprovoked aggression

无端的侵犯行为

——《牛津高阶英汉双解词典》

They also observed unprovoked shelling of South Ossetia's capital, Tskhinvali, that night.

那天晚上他们还观察到南奥塞梯首府茨欣瓦利无端遭到炮轰.

——期刊摘选

Stephen was stabbed to death in an unprovoked attack nearly five months ago.

斯蒂芬在近5个月前无故遭到袭击，被捅死了。

柯林斯例句

This malicious and unprovoked attack astounded him.

这个恶意的无端攻击使他吃惊.

辞典例句

It was a totally unprovoked attack on an innocent man.

那完全是对一名无辜男子的无端袭击。

朗文当代高级英语词典 第6版

Work has been leaked unprovoked, many people also suffer a loss.

作品无端被泄露, 受损失的还大有人在.

期刊摘选

They said the attack had been unprovoked.

他们说那次攻击是无缘无故的.

期刊摘选

The boys'attack on the old woman was quite unprovoked.

那帮男孩对老妇人的袭击完全是无来由的.

期刊摘选

This was, as Israel complains, an unprovoked attack on its sovereign territory.

以色列控诉说这是发生在以色列领土之内的完全没有任何正当理由的恐怖袭击.

期刊摘选

Her angry outburst was totally unprovoked.

她的暴跳如雷完全是无理取闹。

辞典例句

For Russians, It'starts with Hitler's unprovoked attack in 1941 and highlights battles in the east.

对于俄国人, 二战始于希特勒在1941年的不宣而战,在东部的惨烈火拼是其高潮.

期刊摘选

About one in 100 people in the United States will an unprovoked seizure in their lifetime.

每100个美国人中约有1人将在一生中发生无原因的惊厥.

期刊摘选

She, in this unprovoked at the autumn sky.

它, 在这个秋天兂端旳望着天空.

期刊摘选

The International Shark Attack File describes shark attacks as either provoked or unprovoked.

“国际鲨鱼攻击档案”描述鲨鱼攻击要么“被激起”要么“不被激起”.

期刊摘选