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Open the tool →不易一字 (bù yì yī zì) is a Chinese idiom (chengyu) meaning “to write something so perfectly and flawlessly that not a single word needs to be changed; to be a skilled writer whose work requires no revision”.
不易一字 is pronounced bù yì yī zì in Mandarin Chinese.
Literally, 不易一字 means “not change one character”. It is used to mean “to write something so perfectly and flawlessly that not a single word needs to be changed; to be a skilled writer whose work requires no revision”.
不更动一个字。形容文章写得又快又好。