you can't make a silk purse out of a sow's ear

idiomPart ofsilk

you can't make a silk purse out of a sow's ear — idiom

1. used to say that you cannot turn something that is naturally poor-quality into s

1.idiom
Definition

used to say that you cannot turn something that is naturally poor-quality into something fine or elegant, no matter how hard you try.

Example

Yasmin knew the old sofa was beyond repair — you cannot make a silk purse out of a sow's ear.

Seeing the cracked walls, Adina warned the investor you cannot make a silk purse out of a sow's ear.