English / idiom
A Hard Nut to Crack
MEANING IN ENGLISH
A difficult problem to solve or an individual who is tough to understand and persuade.
In context
01
Solving this structural engineering defect is proving to be a hard nut to crack.
02
The seasoned negotiator was reserved, making him a hard nut to crack during talks.
Synonyms
thorny problem,tough challenge,uphill task
Antonyms
piece of cake,child's play,open book
Collocations
prove a hard nut to crack,face a hard nut to crack,consider someone a hard nut to crack