/prəˈvəʊk/
~ sth to cause a particular reaction or have a particular effect 激起;引起;引发
The announcement provoked a storm of protest.
这个声明激起了抗议的风潮。
The article was intended to provoke discussion.
这篇文章旨在引发讨论。
Dairy products may provoke allergic reactions in some people.
乳制品可能会引起某些人的过敏反应。


unprovoked

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

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~ sb (into sth/into doing sth) |~ sb to do sth to say or do sth that you know will annoy sb so that they react in an angry way SYN goad
The lawyer claimed his client was provoked into acts of violence by the defendant.

Be careful what you say—he’s easily provoked.