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a hard nut
英：【ə hɑːd nʌt】美：【ə hɑːrd nʌt】
英：
美：
常见释义：
冥顽不化的人；难办的事.
1、
a hard nut
to crack ─── 棘手的问题
1、nut ─── n.(Nut)人名；(阿拉伯)努特；(柬)努；n.螺母，螺帽；坚果；难对付的人，难解的问题；vi.采坚果
2、a hard time ─── 一段艰难的时期；一段艰苦的时光
3、a nut ─── n.(Anut)人名；(法)阿尼
4、a hard Trip ─── 艰难的旅行
5、hard nut to crack ─── 难对付的人（俚语）；棘手的事（俚语）
6、devil nut ─── 恶魔果实（英国服装品牌）
7、to crack this hard nut ─── 破解这个难题（非正式）
8、a hard nut to crack ─── 难以应付的问题或情况; 难以说服或影响的人; 难事; 难题；n.棘手的问题
9、a nut cracker ─── 胡桃夹子
1、However, the fact that the burning of motors is not uncommon involves to be
a hard nut
for farmers. ─── 然而，烧毁电机的情况是困扰农民用户的一大难题。
2、The problem of hunger worldwide is
a hard nut
to crack. Im afraid that scientists need to put in more efforts. ─── 全球性的饥饿问题是个棘手的问题，恐怕科学家们需要付出更多的努力。
3、Wendy is such
a hard nut
to crack , Ive seen her around the office for two years , but I still dont really know her . ─── 温迪这个人不是盏省油的灯，两年来我们经常在办公室附近碰面，但是我仍然不了解他。
4、My manager is
a hard nut
to crack. He always shouts at me about what I have done. ─── 经理是个很难对付的人，他总是对我做的事大吼大叫。
5、"Thats
a hard nut
, " said the teacher, giving me a sidelong glance over his glasses. ─── “难”老师从眼镜圈外斜射出眼光来，看着我，说。
6、But short life & expensive cost of the reduction jar used for the technology risen late, Pidgeon method, have been
a hard nut
to crack. ─── 但后起工艺（皮江法）所用的还原罐之寿命短和价格高一直是国内外的难题。
7、As we all know, Our boss is
a hard nut
to crack, every time we want to ask for a leave, he simply says no, whatever reason you might have. ─── 众所周知，我们的老板是个难缠的人.我们每次想请假，他都说不行，不管你有什么理由。
8、Sudan was
a hard nut
to crack. ─── 苏丹真的是难啃的骨头。
9、
A hard nut
to crack and find! ─── 一种难以寻找而且难以对付的坚果。
Mary found knitting
a hard nut
to crack.
Jeff: This is indeed
a hard nut
to crack.
Where some people
a hard nut
to crack.
He is
a hard nut
to crack.
This problem is
a hard nut
to crack.
This is really
a hard nut
to crack.
Hes
a hard nut
to crack.
It is
a hard nut
for him to crack.
It is
a hard nut
to crack.