n.

1. 暴乱；骚乱，大混乱[C]
   In May 1968 there was a massive wave of student riots.

   一九六八年五月曾发生过大规模的学生骚乱。

2. 喧闹；狂欢[U]
   They were drowned in riot all night.

   他们通宵沉浸在狂欢之中。

3. （感情等的）尽情发泄，放纵[S]
   The students broke out in a riot of laughter.

   学生们突然放声大笑。

4. （色彩等的）丰富[S]
   The garden was a riot of color in summer.

   夏天花园里五彩缤纷。

5. 【口】非常有趣的人（或物）[S]
   The play was a riot when it was first produced on Broadway.

   这个剧本在百老汇首演时极为轰动。

vi.

1. 参加（或发动）暴乱；聚众闹事
   A mob was rioting against the municipal government.

   一群暴民闹事反对市政府。

2. 放纵，沉湎[（+in）]

vt.

1. 把（时间，金钱等）浪费在放荡的生活上[（+away/out）]
   He rioted his life out.

   他一生过着放荡的生活。

n.

1. a violent disturbance of the peace by a crowd.
   ▸archaic rowdy behaviour.
2. an impressively varied or lavish display:
   a riot of colour.
3. (a riot) informal a highly amusing or entertaining person or thing.

v.

1. take part in a riot.
2. behave in an unrestrained way.
3. archaic act in a dissipated way.