tā / shuài / lǐng / dà / jūn / nán / xià / shēng / shì / hào / dà / zhēn / yǒu / tóu / biān / duàn / liú / zhī / shì

他率领大军南下，声势浩大，真有投鞭断流之势。

He led a large army southward with such momentum that it seemed capable of stopping a river with thrown whips.