军心

dòng yáo jūn xīn

动摇军心

shake the army's morale

zhèn fèn jūn xīn

振奋军心

boost the morale of the troops

jūn xīn de zhè zhǒng biàn huà shì jiǎng jiè shí zài jūn shì shàng bēng kuì de yī gè zuì zhí jiē de yuán yīn

军心的这种变化是蒋介石在军事上崩溃的一个最直接的原因。

This change in the state of mind of the soldiers was one of the most immediate causes of Chiang Kai-shek's military collapse.