a tough nut
英 [ə tʌf nʌt] 美 [e tʌf nʌt]

n.

难对付的人， 与之打交道有危险的人；

双语例句

1. I asked her for the money, but she was a tough nut to crack and I went away without it.
   我向她要钱，但她这个人很难对付，因此我空手而归。
2. The final exam was a tough nut.
   毕业考试不好对付。
3. She's a tough nut to crack; I don't think she'll give us permission.
   她这个人不好说话，我想她不会答应我们的。

权威例句

A Tough Nut
A Tough Nut
A Tough Nut
The coccidian oocyst: a tough nut to crack!
A Hard Nut to Crack: The Protection of Technological Measures
The lymph follicle: a hard nut to crack
Introduction to the special issue on multiword expressions: Having a crack at a hard nut
Speciation of Se in Bertholletia excelsa (Brazil nut): a hard nut to crack?
Work-ability evaluation: A piece of cake or a hard nut to crack?
A Tough Nut for Proof Procedures
Why patient safety is such a tough nut to crack.
The Chlamydial Type III Secretion Mechanism: Revealing Cracks in a Tough Nut
Nutrition: a hard nut to crack. An exploration of the knowledge, attitudes and activities of qualified nurses in relation to nutriti...