1. 暴乱;骚动;暴动
    When there is a riot, a crowd of people behave violently in a public place, for example they fight, throw stones, or damage buildings and vehicles.

riot在线翻译

    e.g. Twelve inmates have been killed during a riot at the prison.
           12名犯人在一场监狱暴乱中被杀害。

2. 闹事;发动暴乱
    If people riot, they behave violently in a public place.

riot是什么意思

    e.g. Last year 600 inmates rioted, starting fires and building barricades...
           去年，600名犯人闹事，他们纵火并设置路障。
    e.g. They rioted in protest against the government.
           他们发动暴乱，以抗议政府的行为。

3. 五颜六色;丰富多彩;各种各样
    If you say that there is a riot of something pleasant such as colour, you mean that there is a large amount of various types of it.

    e.g. All the cacti were in flower, so that the desert was a riot of colour...
           所有的仙人掌都开花了，整个沙漠里五彩缤纷。
    e.g. With Indian cuisine, you expect a riot of tastes and spices.
           印度菜肴口味丰富，并添加各种香料。

4. 严厉警告…停止闹事;严厉警告…注意言行
    If someone in authority reads you the riot act, they tell you that you will be punished unless you start behaving properly.

    e.g. I'm glad you read the riot act to Billy. He's still a kid and still needs to be told what to do.
           我很高兴你警告比利不许胡闹。他还是个孩子，仍然需要有人告诉他该做什么。

5. 失去控制;变得狂乱;无法无天
    If people run riot, they behave in a wild and uncontrolled manner.

    e.g. Rampaging prisoners ran riot through Strangeways jail.
           斯特兰韦斯监狱里那些狂暴的囚犯们全都失去了控制。

6. (想象力等)狂野，不受拘束，任意发挥
    If something such as your imagination runs riot, it is not limited or controlled, and produces ideas that are new or exciting, rather than sensible.

    e.g. A conservatory offers the perfect excuse to let your imagination run riot.
           音乐学院让你有充分的理由任想象力自由驰骋。
    e.g. We have no proof and when there is no proof, rumour runs riot.
           我们没有证据，只要没有证据，谣言就会满天飞。