心细如发 as meticulous as a hair
Explanation
形容人做事非常细心谨慎，考虑周到。
Describes someone who is very careful and thoughtful, paying attention to every detail.
Origin Story
老木匠张师傅一生都以精湛的技艺闻名于乡里。他制作的家具，不仅美观实用，而且经久耐用，其中最重要的秘诀就是他那“心细如发”的工作态度。有一次，一位富商向他订做一套红木家具，要求必须完美无缺。张师傅接到订单后，便开始了精心的准备。他先仔细挑选上等红木材料，然后仔细测量尺寸，每一个细节都反复推敲，力求精准。在制作过程中，他更是小心谨慎，每一个榫卯结构都力求天衣无缝，甚至连细微的纹理都仔细打磨。为了保证家具的质量，他常常彻夜工作，不放过任何一个细节。最终，他交付了一套完美无缺的红木家具，富商赞叹不已，更佩服张师傅那“心细如发”的精神，传为佳话。
Master Zhang, an old carpenter, was known throughout the village for his superb craftsmanship. The furniture he made was not only beautiful and practical but also durable. The most important secret was his "meticulous" work attitude. Once, a wealthy merchant commissioned him to make a set of rosewood furniture that had to be perfect. After receiving the order, Master Zhang began meticulous preparations. He carefully selected high-quality rosewood materials, carefully measured the dimensions, and repeatedly reviewed every detail, striving for precision. In the manufacturing process, he was extremely cautious, striving for seamlessness in every mortise and tenon structure, and even carefully polished the subtle textures. To ensure the quality of the furniture, he often worked late into the night, not missing a single detail. In the end, he delivered a set of perfect rosewood furniture, which greatly impressed the wealthy merchant, who praised Master Zhang's "meticulous" spirit, which became a legend.
Usage
用于形容人做事细心谨慎，考虑周到。
Used to describe someone who is very careful and thoughtful, paying attention to every detail.
Examples
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她做事心细如发，从不犯错。
tā zuòshì xīn xì rú fā, cóng bù fàn cuò.
She is very meticulous in her work and never makes mistakes.
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他为人处世心细如发，赢得了大家的信任。
tā wéirén chǔshì xīn xì rú fā, yíngdéle dàjiā de xìnrèn。
He is very considerate in his dealings with others and enjoys the trust of everyone.