亦庄亦谐 both serious and humorous
Explanation
既庄重又风趣，严肃和诙谐并存。形容说话或文章风格既严肃认真，又活泼风趣，引人入胜。
Both serious and humorous; solemn and cheerful coexist. Describes a style of speaking or writing that is both serious and lively and humorous, captivating.
Origin Story
话说唐朝时期，一位名叫李白的诗人，他不仅才华横溢，而且性格豪放不羁。他常常在诗歌中展现出一种亦庄亦谐的风格。有时，他写起诗来慷慨激昂，气势磅礴，令人肃然起敬；而有时，他又能妙笔生花，用幽默的语言描写生活中的趣事，令人忍俊不禁。比如，他写过一首描写秋景的诗，诗中既有对秋风的萧瑟和落叶的惋惜，又有对菊花傲霜开放的赞美，既庄重又风趣。这首诗不仅展现了他高超的诗歌技巧，也体现了他亦庄亦谐的独特风格，深受人们喜爱。
In the Tang Dynasty, there was a poet named Li Bai. He was not only talented but also had a free and easy personality. He often showed a style that was both serious and humorous in his poetry. Sometimes, he wrote poems that were impassioned and magnificent, inspiring awe; other times, he could write wonderfully, using humorous language to describe interesting things in life, causing people to laugh. For example, he wrote a poem describing an autumn scene. The poem contained both the poet's regret for the bleak autumn wind and falling leaves and praise for chrysanthemums blooming against the frost. It is both serious and humorous. This poem not only showcases his superb poetic skills but also reflects his unique style of being both serious and humorous, making it deeply loved by people.
Usage
用于形容人的说话或写作风格，既严肃认真，又轻松活泼，幽默风趣。
Used to describe a person's speaking or writing style, which is both serious and relaxed, lively and humorous.
Examples
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他的演讲既庄重又幽默，亦庄亦谐，引人入胜。
ta de yanjiang ji zhuangzhong you youmo,yi zhuang yi xie,yin ren rushen.
His speech was both serious and humorous, both solemn and cheerful, captivating the audience.
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这位老先生说话亦庄亦谐，深受大家的喜爱。
zhei wei lao xiensheng shuohua yi zhuang yi xie,shen shou da jia de aixi
This old gentleman spoke both seriously and humorously and was loved by everyone..