拼音：sān zhé zhī gōng
注音：ㄙㄢㄓㄜˊㄓㄍㄨㄥ
解释：几次断臂，就能知道医治断臂的方法。后比喻对某事阅历多，富有经验，成为内行。也指高明的医道。
出处：《左传·定公十三年》：“三折肱，知为良医。”
If you break your arm several times, you can know how to treat it. After the metaphor, I have more experience in something and become an expert. It also refers to good medical practice.
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