a hard nut to crack
英 [ə hɑrd nʌt tu: kræk] 美 [e hɑː(r)d nʌt tu kræk]

释义

难以应付的问题或情况；难以说服或影响的人；难事；难题

双语例句

1. This problem is going to be a hard nut to crack.
   这将会是一个非常棘手的问题。
2. Please don't joke about such a delicate subject.
   请不要把这个棘手的问题当儿戏。

权威例句

[A hard nut to crack]
A Hard Nut to Crack
A hard nut to crack
A Hard Nut to Crack: The Protection of Technological Measures
The lymph follicle: a hard nut to crack
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?
Nutrition: a hard nut to crack. An exploration of the knowledge, attitudes and activities of qualified nurses in relation to nutriti...
A hard nut to crack: a review of the Australian macadamia nut industry.
A hard nut to crack! Implementing supply chain sustainability in an emerging economy
Association of minor and trace elements with mineralogical constituents of urinary stones: a hard nut to crack in existing studies o...
The giant common duct stone: still a hard nut to crack.
Brazil and tobacco use: a hard nut to crack.