kùn miǎn
意思解释：（Strand exert oneself）刻苦勤奋。
见“困知勉行”。清·郑燮《淮县署中舍弟墨第一书》:“虽生知安行之圣，不废～之功也。”…
See know exert oneself tiredly to go . Clear · Zheng Xie is younger brother Chinese ink abandoned in arrange of county of the Huaihe River the first book : σ of of rare of annulus of of ィ of of elder brother of incomplete of of 8 Shen is ill! Thin
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