tóu biān duàn liú
《晋书·苻坚载记》：苻坚攻打东晋时骄傲地说，我的士兵把马鞭投到江里，都能把江水截断。比喻人马众多，兵力强大。
《晋书 苻坚载记》：“以吾之众旅，投鞭于江，足断其流，何险之足恃？”
投鞭断流紧缩式；作谓语、分句；形容兵众势大。
with a strong army that, if the soldiers throw their whips into the river, it would be enough to stem the current
