as quais

which

→ as
phrase Rare #38,473
which A feminine plural relative pronoun, usually used after a preposition such as com, sobre, or para. It refers to feminine plural nouns mentioned earlier.
PO: Estas são as pessoas com as quais trabalho.
EN: These are the people I work with.

Há pessoas para as quais o zero é um número positivo.

There are people for whom zero is a positive number.

As viagens com as quais sonhou, você as fez?

Did you take the trips you dreamed of?

— As Invasões Bárbaras (2003)

Eu tenho muitas coisas com as quais devo lidar.

I have many things I need to deal with.

Havia um monte de coisas sobre as quais Laila não era honesta.

There were a lot of things Laila wasn’t honest about.

Você é diferente de todas as mulheres com as quais cresci.

You are different from all the women I grew up with.

— Podres de Ricos (2018)