todos sus secretos

all his/her/their secrets

→ todo
phrase Rare #47,313
all his/her/their secrets Used when referring to every secret belonging to one person or group. The possessive sus can mean his, her, your, or their depending on context.
SP: Creí que conocía todos sus secretos.
EN: I thought I knew all his/her/their secrets.

Creí que conocía todos sus secretos.

I thought I knew all her secrets.

Se han revelado todos sus secretos.

All their secrets have been revealed.

Pensé que conocía todos sus secretos.

I thought I knew all her secrets.

Quiero conocer todos sus secretos.

I want to know all your secrets.

— Jojo Rabbit (2019)