Spanish phrase
¿Para qué sirve ~?
Meaning
What is ___ for?
When to use it
Asks why something is used or needed. Common when checking an unfamiliar object or asking how to use equipment in a neutral tone.
Example dialogue
¿Para qué sirve este adaptador?
What is this adapter for?
Sirve para conectar el portátil a la corriente.
It is for connecting the laptop to power.