What is an inadequate idiom?

Death is worth it; Pity: meanness or pity. Describe not afraid of death or dying without value.

Tiny: thin, small; Foot: worthwhile; Tell me about it. It's too small to mention. Of meaning, value, etc too small to mention.

Humble is humble, insignificant, not worth talking about.

There is not enough mink, and the dog's tail continues. (2) refers to the fly in the ointment or shoddy.

It's too small to mention.