词语解释
劳而无功[ láo ér wú gōng ]
⒈ 费了力气但没收到成效。例与不可，强不能，告不知，谓之劳而无功。——《管子·形势》英bay the moon; work hard but to no avail; accomplish little; fool's errand; milk the bull; preach to the winds wash a blackamor white;
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劳而无功[ láo ér wú gōng ]
⒈ 费了力气但没收到成效。例与不可，强不能，告不知，谓之劳而无功。——《管子·形势》英bay the moon; work hard but to no avail; accomplish little; fool's errand; milk the bull; preach to the winds wash a blackamor white;