详细解释:a. 难的, 艰苦的, 坚硬的, 勇敢的
ad. 努力地, 辛苦地, 坚硬地
词型变化：
名词:hardiness副词:hardily名词复数:hardies形容词比较级:hardier最高级:hardiest英语解释：
名词 hardy:
United States slapstick comedian who played the pompous and overbearing member of the Laurel and Hardy duo who made many films (1892-1957)同义词：Oliver Hardy