发扬光大 carry forward and expand
Explanation
发扬光大是一个成语，意思是发展和提高好的作风、传统等，使之更加辉煌和盛大。
Fāyáng guāngdà is an idiom that means to develop and improve good styles, traditions, etc., making them even more brilliant and grand.
Origin Story
话说唐朝时期，一位名叫李白的诗人，他的诗歌才华横溢，深受人们的喜爱。他的诗歌风格豪迈奔放，想象丰富，意境深远，被后世誉为“诗仙”。李白的诗歌不仅在当时广为流传，而且对后世诗歌创作产生了深远的影响。他的诗歌作品被后人不断地传诵、学习和研究，他的诗歌精神和艺术风格也得到了发扬光大，成为了中国古典文学的瑰宝。后来的诗人们，纷纷效仿他的诗歌风格，创作出许多优秀的作品，使中国诗歌艺术达到了一个新的高峰。
In the Tang Dynasty, there was a poet named Li Bai, whose poetic talent was extraordinary and highly popular. His style was bold and unrestrained, his imagination rich, and his imagery profound. He was praised by later generations as the "Poetry Immortal". Li Bai's poems were not only widely circulated at the time, but also had a profound impact on the creation of poetry in later generations. His works were continuously recited, studied, and researched by his descendants, and his poetic spirit and artistic style were carried forward and expanded, becoming a treasure of classical Chinese literature.
Usage
一般用于褒义，形容对好的事物进行发展和提高。
It is generally used in a commendatory sense to describe the development and improvement of good things.
Examples
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为了实现共同富裕的目标，我们应该发扬光大中华民族的优秀传统。
wèile shíxiàn gòngtóng fùyù de mùbiāo, wǒmen yīnggāi fāyáng guāngdà zhōnghuá mínzú de yōuxiù chuántǒng
In order to achieve the goal of common prosperity, we should carry forward and expand the fine traditions of the Chinese nation.
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我们要发扬光大党的优良作风
wǒmen yào fāyáng guāngdà dǎng de yōuliáng zuòfēng
We should carry forward and expand the fine style of the Party