举一反三 Learn by analogy
Explanation
“举一反三”这个成语的意思是：从一件事情类推而知道其他许多事情。它比喻学习或办事能触类旁通，举一反三。
The idiom “举一反三” means: to learn many other things from one thing. It is a metaphor for learning or doing things by analogy.
Origin Story
春秋时期，孔子到齐国去向齐景公推销他的“仁政”，齐景公有些心动，准备划出一块地来让他治理。他去拜访齐国三朝元老相国晏婴，他对晏婴事三君不解，晏婴一心事三君，孔子只知举一反三，不知举三反一，结果得罪了晏婴，仁政没推销出去。 后来，孔子到了卫国，卫灵公问他怎样才能使国家昌盛。孔子答道：“贤者在位，则国家昌盛。”卫灵公又问：“怎样才能使百姓安居乐业？”孔子答道：“贤者在位，则百姓安居乐业。”卫灵公不耐烦了，说：“你只知道‘贤者在位’，难道就没有其他办法了吗？” 孔子说：“贤者在位，则万事皆通！” 卫灵公这才恍然大悟，原来孔子是举一反三，从“贤者在位”就能推断出“国家昌盛”，“百姓安居乐业”等结果。他终于明白，要想国家昌盛，百姓安居乐业，就要让贤者在位，让贤者来治理国家。
During the Spring and Autumn Period, Confucius went to the State of Qi to sell his
Usage
举一反三在学习、工作和生活中都有广泛的应用。在学习中，举一反三可以帮助我们更好地理解知识，提高学习效率。在工作中，举一反三可以帮助我们更好地解决问题，提高工作效率。在生活中，举一反三可以帮助我们更好地处理人际关系，提高生活质量。
举一反三 is widely used in study, work and life. In study, 举一反三 can help us better understand knowledge and improve learning efficiency. In work, 举一反三 can help us better solve problems and improve work efficiency. In life, 举一反三 can help us better deal with interpersonal relationships and improve the quality of life.
Examples
-
学习时要举一反三，这样才能学得更快、更牢固。
jǔ yī fǎn sān
When learning, you should learn by analogy, so that you can learn faster and more firmly.
-
他举一反三，很快就掌握了所有操作步骤。
tā jǔ yī fǎn sān
He learned by analogy and quickly mastered all the operating steps.