Meaning of the word "you can't make a silk purse out of a sow's ear" in English

What does "you can't make a silk purse out of a sow's ear" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

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

US /juː kænt meɪk ə sɪlk pɜːrs ˈaʊt əv ə saʊz ɪr/
UK /juː kɑːnt meɪk ə sɪlk pɜːs ˈaʊt əv ə saʊz ɪə/
"you can't make a silk purse out of a sow's ear" picture

Idiom

it is impossible to create something high-quality or beautiful from something that is naturally inferior or of poor quality

Example:
You can try to dress up that old car, but you can't make a silk purse out of a sow's ear.
The coach did his best with the team, but you can't make a silk purse out of a sow's ear.