tough nut

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He also called India a "tough nut to crack".

From BBC

Getafe, seventh, often prove a tough nut to crack at home and they frustrated their neighbours.

From Barron's

If you've been introduced to Cat Burns through Celebrity Traitors, you might assume she's a tough nut to crack.

From BBC

That’s a very tough nut to crack.

From Los Angeles Times

While Chinese firms have expanded into East Asia and South America, for years the European market proved a tough nut to crack – that is, until governments here decided to phase out the sale of new petrol and diesel models.

From BBC