Meaning of ‘Bigger fish to fry’ Idiom in English

Bigger fish to fry

The idiom “bigger fish to fry" means having more important or significant things to do or focus on.

Arguing over who left the lights on is not worth it; I have bigger fish to fry.

Getting involved in online arguments is not worth my energy; I have bigger fish to fry.

I can't worry about my math homework right now; I have bigger fish to fry. I need to finish my science project.

Dealing with a flat tire is annoying, but I have bigger fish to fry. I'm already running late for the crucial job interview.