汗马之劳 hànmǎzhīláo heroic contribution Origin Definitions Defs Strokes Stroke Words Sentences Sents 汗马 汗馬 hànmǎ military exploit military achievement or contribution made in war之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.劳 勞 láo merit (bound form) a meritorious deed; an achievement or contribution made through hard work