行伍

háng wǔ chū shēn

行伍出身

rise through the ranks

tóu shēn háng wǔ zhī zhōng

投身行伍之中

join the army

tā chū shēn háng wǔ tōng guò yī jí jí jìn shēng zuì zhōng chéng wéi le lù jūn sī lìng

他出身行伍，通过一级级晋升，最终成为了陆军司令。

He ascended through the ranks, eventually becoming commander of the army.