A ridiculous idiom to describe a person

1, bring shame on yourself: I did something excessive and caused humiliation.

2. Self-deception: Self-deception.

3, cover your ears and steal the bell: steal the bell and cover your ears for fear that others will hear it. Metaphorically, you are deceiving yourself, and you must try to cover up what you can't cover up clearly.

4, a leaf blind: the eyes are blocked by a leaf, which means that you can't see the whole picture of things.

5. Catch sparrows with your eyes covered: Catch sparrows with your eyes covered. Metaphor is lying to yourself.