蟪蛄不知春秋huì gū bù zhī chūn qiū释义"the short-lived cicada knows nothing of spring or autumn" (from the Zhuangzi 莊子|庄子[Zhuang1 zi3]); (fig.) to have a limited perspective单字详解蟪hui蛄gu不bu知zhi春chun秋qiu