hardest的意思是“最艰难的;最硬的;最艰苦的;最刻苦的”。它通常用来形容事情的难度或者物品的质地。
"最难的": "the hardest thing",
"最艰巨的": "the most difficult task",
"最辛苦的": "the hardest work",
"最艰难的": "the most challenging situation",
"最硬的": "the hardest substance",
"最难处理的": "the hardest problem to deal with",
"最难达到的": "the hardest goal to achieve"
}