投鞭断流 tóubiānduànliú unstoppable army Origin Definitions Defs Strokes Stroke Words Sentences Sents 投 tóu verb to throw to throw; to fling; to toss something toward a target鞭 biān noun whip whip or lash; a long, thin tool used for driving animals or hitting people断流 斷流 duànliú to block a stream to cut off or block the flow of water; to dam a river