let down

US /let daʊn/
UK /let daʊn/
"let down" picture
1.

decepcionar, fallar

to disappoint someone by failing to do what they expect or hope

:
I promised to help him, and I don't want to let him down.
Prometí ayudarlo y no quiero decepcionarlo.
She felt completely let down by her friends.
Se sintió completamente decepcionada por sus amigos.
2.

bajar, soltar

to lower something or allow it to fall

:
Can you let down the blinds, please? The sun is too bright.
¿Puedes bajar las persianas, por favor? El sol es demasiado brillante.
She decided to let down her hair after the formal event.
Decidió soltarse el pelo después del evento formal.