1. 典禮;(宗教)儀式
    A ritual is a religious service or other ceremony which involves a series of actions performed in a fixed order.

    e.g. This is the most ancient, and holiest of the Shinto rituals...
           這是最古老、最神圣的神道教儀式。
    e.g. These ceremonies were already part of pre-Christian ritual in Mexico.
           這些儀式已經(jīng)成為墨西哥基督教時期以前的宗教儀式的一部分。

2. 儀式性的;傳統(tǒng)的
    Ritual activities happen as part of a ritual or tradition.

    e.g. ...fastings and ritual dancing.
           齋戒和傳統(tǒng)舞蹈
    e.g. ...an act of ritual suicide.
           儀式性的自殺行為

3. 風俗;習慣
    A ritual is a way of behaving or a series of actions which people regularly carry out in a particular situation, because it is their custom to do so.

ritual的反義詞

    e.g. The whole Italian culture revolves around the ritual of eating...
           整個意大利的文化都以飲食習慣為中心。
    e.g. Cocktails at the Plaza was a nightly ritual of their sophisticated world.
           到廣場飯店喝雞尾酒是他們這個高雅時髦的圈子中的人每晚必做的事情。

4. 例行公事般的;習慣性的;老規(guī)矩的
    You can describe something as a ritual action when it is done in exactly the same way whenever a particular situation occurs.

ritual在線翻譯

    e.g. I realized that here the conventions required me to make the ritual noises.
           我意識到此時按照慣例我應該說些客套話。