i don't know how to cook
I don't know how to cook well.
No soy guapa, no sé cocinar, no sé hacer nada.
I'm not pretty, I don't know how to cook, I don't know how to do anything.
— La strada (1954)
No sé cocinar tan bien como tú.
I can't cook as well as you.
I don't know how to cook.
No sé cocinar tan bien como mi madre.
I can't cook as well as my mother.