To meticulously refine and polish one's writing; to painstakingly craft prose, focusing on every word and phrase.
这位作家在创作诗歌时，总是喜欢刻章琢句，力求每一个字都恰到好处。
This writer always likes to meticulously refine their words and sentences when composing poetry, striving for every character to be just right.
Next Idiom