劳而无功

They attempted in vain to modernise these antiquated industries.

他们企图使这些陈旧的工业现代化,结果劳而功。

Italian element has " shoemaking is regnal " say, promote shoe as good as to carry stone on the back at past Mount Taishan there, nature is work fruitlessly.

意大利素有“制王国”之称，到那里推异于往山背石，是劳而功。