quando era mais jovem

when I was younger

→ quando
phrase Rare #37,219
when I was younger Used to talk about a past period in someone’s life, usually from childhood or earlier years. The subject changes with context: it can mean “when he was younger,” “when she was younger,” etc.
PO: Quando era mais jovem, eu jogava futebol todo dia.
EN: When I was younger, I played soccer every day.

Quando era mais jovem, minha avó usava muito sua máquina de costura.

When she was younger, my grandmother used her sewing machine a lot.

Eu nadava mais rápido quando era mais jovem.

I used to swim faster when I was younger.

Este é o bairro em que eu morava quando era mais jovem.

This is the neighborhood where I lived when I was younger.

Passava muito tempo aqui sozinho quando era mais jovem.

I used to spend a lot of time here alone when I was younger.

— O Castelo Animado (2004)

Eu saía muito quando era mais jovem.

I used to go out a lot when I was younger.