tan buenos como

as good as

→ tan
phrase Rare #48,413
as good as Used to compare quality; the adjective changes to agree with the noun being described.
SP: Estos zapatos son tan buenos como los otros.
EN: These shoes are as good as the others.

Los autos usados son más baratos y muchas veces son tan buenos como los nuevos.

Used cars are cheaper and are often just as good as new ones.

No estaban tan buenos como otras veces.

They weren't as good as usual.

— タンポポ (1985)

Son caros pero tan buenos como los europeos.

They are expensive but as good as the European ones.

— Asuntos infernales (2002)

Lamentablemente, los resultados nunca fueron tan buenos como se esperaba.

Unfortunately, the results were never as good as expected.

Quiero que todos los días sean tan buenos como este.

I want every day to be as good as this one.