hard.headn.(名词)A shrewd, tough person.精明凶恶的人A stubborn, unmovable person.顽固的、不可动摇的人pl. hardhead or hard.heads Any of several fishes having a bony head, especially the Atlantic croaker.【复数】 hardhead 或 hard.heads 硬头鳟:尤指大西洋石首鱼等头上多骨的几种鱼中的任意一种