Easy
1 point
ID: #16426
Question
'A hard nut to crack' means -
Options
1
to finish
Correct Answer
2
to come to nothing
Correct Answer
3
tit for tat
Correct Answer
4
a difficult problem
Correct Answer
Explanation
The idiom 'a hard nut to crack' refers to a difficult problem to solve or a difficult person to understand or deal with.