[draw inferences about other cases from one instance] 从一件事情类推而知道其他许多事情

jǔ yī fǎn sān

to raise one and infer three

to deduce many things from one case (idiom)

infer other things from one fact; draw inferences; draw inferences about other cases from one instance; From one sample you may judge of the whole.; just mention one example which serves for the rest; learning by analogy and infer other things from one fact:

【释义】反：类推。比喻从一件事情类推而知道其他许多事情。

【近义】融会贯通、触类旁通

【反义】囫囵吞枣、不求甚解、浅尝辄止

【出处】《论语·述而》：“举一隅不以三隅反，则不复也。”

【用例】我是凭着一卷《诗韵》学说话，倒可以有“举一反三”的效验。（清·吴趼人《二十年目睹之怪现状》第三十四回）