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劳而无功

v.
[繁体]勞而無功
[拼音]láo wú gōng
[英文]
work hard but to no avail, work fruitlessly

劳而无功




láo 'ér wú gōng
劳而无功láo 'ér wú gōng
费了力气但没收到成效
与不可,强不能,告不知,谓之劳而无功。——《管子·形势》
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