ceremony

典礼、仪式

The graduation ceremony will be held in the main auditorium.

毕业典礼将在大礼堂举行。

仪式、礼仪

The tea ceremony takes nearly an hour to complete.

这场茶道仪式要花将近一个小时才能完成。

礼节、客套、繁文缛节

He showed us to the door without ceremony.

他毫不客套地把我们送到门口。

拘礼、讲究客套

Please don't stand on ceremony; just help yourself to the food.

别拘礼了，想吃什么自己拿。