Spanish phrase
Sé que estás triste.
Meaning
I know you're sad.
When to use it
It means the speaker knows someone is sad. It sounds caring and can comfort a friend.
Example dialogue
Perdí el partido.
I lost the game.
Sé que estás triste. ¿Quieres jugar conmigo?
I know you're sad. Do you want to play with me?