In China, the ceremonious festival is Spring festival, and it is as same as your Christmas!

在中国 春节是一个隆重的节日 就和你们的圣诞节一样

His speech and manners became curiously ceremonious and courtly, to the vast admiration and amusement of his intimates.

他的言谈举止变得出奇地讲究而有宫廷气派，使他的密友们大为钦佩，也觉得有趣。

My uncle is a ceremonious former ambassador.

我叔叔是个一丝不苟的前大使。

Her attentions to the guests were too ceremonious.

她对客人的款待过于拘礼了。

And I could make sure it would be very ceremonious!

我保证这次婚礼绝对非常隆重！

Their ceremonious greetings did not seem heartfelt.

他们隆重的欢迎看起来并不衷心。