These words all describe people feeling and/or showing anger. 以上各词均形容人愤怒和/或发怒。

• angry feeling or showing anger 指愤怒、发怒：◆Please don't be angry with me. 请别生我的气。◆Thousands of angry demonstrators filled the square. 广场上聚满了成千上万的愤怒示威者。
• mad [not before noun] (informal, especially NAmE) angry 指愤怒或发怒：◆He got mad and walked out. 他大动肝火，愤然离去。◆She's mad at me for being late. 我迟到了，她非常生气。 NOTE Mad is the usual word for 'angry' in informal American English. In British English, the phrase 'go mad' means 'very angry'. 在非正式的美式英语中，mad 为表示愤怒或发怒 (angry) 的常用词。在英式英语中，短语 go mad 表示非常气愤：◆Dad'll go mad when he sees what you've done. 父亲看到你的所作所为会非常气愤。'Go mad' can also mean 'go crazy' or 'get very excited'. * go mad 也可指发疯、发狂或激动起来。
• indignant feeling or showing anger and surprise because you think that you or sb else has been treated unfairly 指因遭遇或见到不公平的事而愤慨、愤怒：◆She was very indignant at the way she had been treated. 她对自己受到的待遇大为光火。
• cross (especially BrE, rather informal) rather angry or annoyed 指十分愤怒、恼怒：◆I was quite cross with him for being late. 我因他迟到而十分生气。 NOTE This word is often used by or to children. 该词常为儿童用语或对儿童的用语。
• irate very angry 指极其愤怒的、暴怒的：◆irate customers 愤怒的顾客◆an irate letter 言辞激愤的信 NOTE Irate is not usually followed by a preposition. * irate 后通常不跟介词：◆She was irate with me/about it.

Patterns

• angry/mad/indignant/cross about/at sth
• angry/cross with sb (for doing sth)
• angry/mad/indignant/cross that …
• to get angry/mad/cross
• to make sb angry/mad/cross