| 例句 |
As a teenager, Jack was a real hard nut, always getting into fights.十几岁的杰克很难管教，总是跟人打架。It was then a hard nut to crack.在那时是一桩很棘手的事。The Kyoto Accord is one hard nut to crack.《京都议定书》晦涩难懂。He is a hard nut to crack.他是个难对付的人。This problem is a hard nut to crack.这个问题是块难啃的骨头。The question of world hunger is a hard nut to crack.世界范围的饥荒是一个很难解决的问题。The problem is a hard nut to crack.这是个棘手的问题。 |