由浅入深 from shallow to deep
Explanation
指从浅显易懂的内容逐渐过渡到深奥复杂的内容。
Refers to the transition from simple to complex content.
Origin Story
小明学习书法，一开始临摹简单的字帖，例如“一”、“丨”、“丿”等基本笔画。他认真练习，掌握了每个笔画的写法和力度的控制。之后，他开始临摹一些简单的汉字，例如“天”、“地”、“人”等。通过不断地练习，他的字逐渐变得规范起来。接着，他尝试临摹一些复杂的汉字和书法作品，例如颜真卿的《多宝塔碑》等。在学习的过程中，他不断地反思自己的不足，并寻求老师的指导。最终，他的书法水平得到了显著的提高，达到了炉火纯青的地步。这个过程，就好比由浅入深，循序渐进，最终达到登峰造极的境界。
Xiaoming learned calligraphy. He started by copying simple characters, such as the basic strokes “一”, “丨”, “丿”, etc. He practiced diligently, mastering the writing methods and force control of each stroke. Then, he started copying simple Chinese characters such as “天”, “地”, “人”, etc. Through continuous practice, his characters gradually became standardized. Then, he tried copying complex Chinese characters and calligraphy works, such as Yan Zhenqing's "Duobao Pagoda Inscription". During the learning process, he constantly reflected on his shortcomings and sought guidance from his teacher. Finally, his calligraphy level significantly improved, reaching a high level. This process is like gradually progressing from simple to complex, ultimately reaching the peak.
Usage
用作谓语、状语；多用于学习、研究等方面。
Used as predicate and adverbial; mostly used in learning and research.
Examples
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老师讲课，由浅入深，循序渐进，同学们很容易接受。
lǎoshī jiǎng kè, yóu qiǎn rù shēn, xún xù jìn jìn, tóngxuémen hěn róngyì jiēshòu.
The teacher's lecture was clear and easy to follow, proceeding step by step from easy to difficult.
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学习任何知识，都要由浅入深，不能操之过急。
xuéxí rènhé zhīshi, dōu yào yóu qiǎn rù shēn, bù néng cāo zhī guò jí.
To learn any knowledge, we must go from simple to complex and not be too hasty.
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他的讲解由浅入深，深入浅出，使学生很容易理解。
tā de jiǎngjiě yóu qiǎn rù shēn, shēnrù qiǎnchū, shǐ xuéshēng hěn róngyì lǐjiě。
His explanation, from easy to complex, is clear and easy for students to understand.