provocation

n.

1. 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。
2. 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。