tā / men / kào / duō / nián / de / nǔ / lì / dǎ / jiāng / shān / zhōng / yú / jiàn / lì / le / zì / jǐ / de / shì / yè

他们靠多年的努力打江山，终于建立了自己的事业。

Through years of hard work, they built their own enterprise from the ground up.