English
Medium
Question
The idiom a hard nut to crack means:
A
An easy question
B
A foolish search
C
A difficult problem
✓ Official correct answer
D
Expensive thing
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A
An easy question
No member explanations yet for this option.
B
A foolish search
No member explanations yet for this option.
C
A difficult problem
No member explanations yet for this option.
D
Expensive thing
No member explanations yet for this option.