| 释义 |
●a hard/tough ˈnut (to ˈcrack) (informal) a very difficult problem to solve; a very difficult person to deal with 棘手的问题；难对付的人◆Persuading drivers to leave their cars at home and use public transport will be a very tough nut to crack.要说服有车族把汽车停在家中而使用公共交通工具是很伤脑筋的。◆You’ll find it difficult to make him change his mind. He’s a tough nut.你会发现很难说服他改变主意，他很难对付。 |