This is the 2469th most frequent Chinese word.
愤怒
Anger; rage.
The word '愤怒'(anger) is used to express an emotional state of strong displeasure due to specific circumstances (friend's betrayal).
他对朋友的背叛感到愤怒。
He felt angry about the betrayal from his friend.
'愤怒'(anger) here represents a reaction to injustice, showing how external actions can provoke this intense emotion.
她被不公平的待遇激起了愤怒。
She was incited to anger by the unfair treatment.
Here, '愤怒'(anger) is an attribute of something causing distress or frustration to individuals.