n.

1. 儀式，典禮[C][U]
2. （宗教等）儀式的舉行[C][U]
3. 禮儀書[C]
4. 例行公事；老規矩；習慣[C]
   She went through her usual ritual of making sure all the doors were locked before she went to bed.

   她上床之前按慣例檢查一下所有的門是不是都鎖上了。

a.

1. （宗教）儀式的，典禮的[Z][B]

n.

1. a religious or solemn ceremony involving a series of actions performed according to a prescribed order.
   ▸a prescribed order of performing such a ceremony.
2. a series of actions habitually and invariably followed by someone.

adj.