quando eram crianças

when they were children

→ quando
phrase Rare #30,117
when they were children Used to talk about something that happened in childhood. The subject can change depending on context, like 'you' or 'they'.
PO: Quando eram crianças, eles brincavam no parque todos os dias.
EN: When they were children, they played in the park every day.

Você não sabia que Tom e Mary viviam em Boston quando eram crianças?

Didn't you know that Tom and Mary lived in Boston when they were children?

Aprenderam tudo quando eram crianças?

Did they learn everything when they were children?

— Podres de Ricos (2018)

Eles sofreram bullying quando eram crianças.

They were bullied when they were children.

Será como quando eram crianças há muitos anos atrás.

It will be like when they were children many years ago.

— Campo dos Sonhos (1989)

Tom e Mary sempre brincavam juntos quando eram crianças.

Tom and Mary always played together when they were children.

Tom e Mary passaram muito tempo juntos quando eram crianças.

Tom and Mary spent a lot of time together when they were children.

Vocês brincavam sempre juntos quando eram crianças.

You two always played together when you were kids.

— As Invasões Bárbaras (2003)

Tom e Maria se conhecem desde quando eram crianças.

Tom and Maria have known each other since they were children.