Select the most appropriate meaning of the underlined idiom in the given sentence.

That lady must have an axe to grind that’s why she is not reporting your crime.

To have an ulterior motive

The most appropriate meaning of the underlined idiom in the given sentence is to have an ulterior motive.

The idiom "to have an axe to grind" means to have a hidden agenda or motive. It is often used to describe someone who is not being honest or straightforward about their intentions. In the given sentence, the lady is not reporting the crime because she has her own reasons for not doing so. She may be trying to protect someone else, or she may be hoping to gain something from not reporting the crime.

The other options are not as accurate descriptions of the meaning of the idiom.

• To have a tedious job: This means to have a job that is boring or repetitive.
• To have crucial information: This means to have information that is essential or important.
• To delay one’s actions: This means to postpone or put off doing something.