Select the most appropriate meaning of the given idiom.

Good grief

An expression of surprise or frustration

The most appropriate meaning of the idiom "good grief" is an expression of surprise or frustration.

It is often used when someone is surprised or shocked by something, or when they are frustrated or annoyed. The idiom is a euphemism for "good God" or "good heavens".

The other options are not correct.

• To dig a hole: This is not the meaning of the idiom "good grief".
• To be very systematic: This is not the meaning of the idiom "good grief".
• To try everything possible: This is not the meaning of the idiom "good grief".