Breakdown of La biblioteca es igual de tranquila que mi cuarto por la noche.
Questions & Answers about La biblioteca es igual de tranquila que mi cuarto por la noche.
It means as ... as for a comparison of equality.
So:
- igual de tranquila que = as quiet as
The full pattern is:
Examples:
- Es igual de fácil que el otro. = It’s as easy as the other one.
- Corre igual de rápido que yo. = He/She runs as fast as I do.
In your sentence, tranquila is the adjective being compared.
Because tranquila has to agree with la biblioteca, which is feminine singular.
Agreement in Spanish:
- la biblioteca tranquila
- el cuarto tranquilo
- las bibliotecas tranquilas
- los cuartos tranquilos
Even though English says quiet, Spanish adjectives usually change form to match the noun’s gender and number.