hard nut to crack 难对付的人；棘手的事
【例句】
This math problem is a hard nut to crack.这个数学题很难解。
He is a hard nut to crack, but we managed to negotiate a deal with him.
他是个难缠的人，但我们设法与他谈判达成一致。
每日学英语：Hard nut to crack 棘手的事
教程：每日学英语 浏览：86
提示：点击文章中的单词，就可以看到词义解释
这个数学题很难解。
He is a hard nut to crack, but we managed to negotiate a deal with him.
他是个难缠的人，但我们设法与他谈判达成一致。
hard nut to crack 难对付的人；棘手的事
This math problem is a hard nut to crack.这个数学题很难解。
He is a hard nut to crack, but we managed to negotiate a deal with him.
他是个难缠的人，但我们设法与他谈判达成一致。
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