If you describe a person's action as provocation or a provocation, you mean that it is a reason for someone else to react angrily, violently, or emotionally.
例句
He denies murder on the grounds of provocation...他否认激情杀人。The soldiers fired without provocation...士兵无缘无故就开枪了。
英汉词典释义
n.
挑衅;激怒;刺激
Jack would not have hit the boy without provocation.如果不是那个男孩挑衅, 杰克是不会打他的。
愤怒的原因;激怒人的事
Their insulting remarks were a provocation.他们侮辱的话使人愤怒。
英英词典释义
Noun
1. unfriendly behavior that causes anger or resentment
2. something that incites or provokes; a means of arousing or stirring to action
3. needed encouragement;
"the result was a provocation of vigorous investigation"