Meaning of the word "have bigger/other fish to fry" in English

What does "have bigger/other fish to fry" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

have bigger/other fish to fry

US /hæv ˈbɪɡər ˈfɪʃ tə fraɪ/
UK /hæv ˈbɪɡə ˈfɪʃ tə fraɪ/
"have bigger/other fish to fry" picture

Idiom

to have more important or more interesting things to do

Example:
I can't help you with that trivial matter; I have bigger fish to fry.
The CEO decided not to focus on minor complaints, stating he had other fish to fry.