a hard nut to crack's Usage Examples:

Finished Girders Go Traveling: six giants of 70 tons gave engineers a hard nut to crack, Popular Science monthly, February 1919, page 79, Scanned by Google.

He was a hard nut to crack.

everyone connected to the game knew the former Premier Thunder would be a hard nut to crack, more so with the return of many players.

[T]he main point was to make them understand that we were a hard nut to crack, and that we were ready for anything, anything.

But Njonjo, who was to be a hard nut to crack, in 1976 warned Gema heavyweights he would not hesitate to open treason.

Bxe6 fxe6 his position remains a hard nut to crack.

In spite of this, the fort would be a hard nut to crack by any rebel force without artillery.

However, as von Bülow once remarked to him, he was a "harte Nuß" ("a hard nut to crack") and despite the quality of his works, he would "never be popular.

"World Health Organization, radiofrequency radiation and health—a hard nut to crack".

it is unclear if this was because he used his "nut" (head) or was a hard nut to crack.

Impressed by his grit, the War Boys call him "a hard nut to crack", which leads to him being named "Nux".

Dealing with the menace of piracy, amongst other problems, became a hard nut to crack; as a result of this, most investors of the "Alaba cartel", who control.

a hard nut to crack) is an expression that means "strong, unbreakable" and the words.

leaving the adjective before the noun, as in a better man than you, a hard nut to crack.

Synonyms:

chink; check; change; break;

Antonyms:

stay; recede; fail; appear; prevent;