be indignant at sth.

例句：

1. 1.He was indignant when he heard the news that his team had lost.
   当他听到他的球队输了的消息时，他非常生气。
2. 2. She was indignant at the way her boss treated her during the meeting.
   她在会议中被老板的态度激怒了。
3. 3. The driver was indignant when he found out that the other car had hit him.
   当司机发现另一辆车撞了他时，他感到非常愤怒。