diamond
习惯用语a rough diamond1.■天然金刚石2.■言行粗暴而心地善良的人3.■[美俚]初露光芒的设想a diamond in the rough1.■天然金刚石2.■言行粗暴而心地善良的人3.■[美俚]初露光芒的设想Irish diamond1.■水晶diamond cut diamond1.■以强制强; 棋逢对手diamond of the first water1.■一等光泽的钻石; (喻)第一流的好人; 珍贵稀罕的物品diamond of the purest water1.■一等光泽的钻石; (喻)第一流的好人; 珍贵稀罕的物品