What does "let down" mean?

To disappoint someone To fail to meet someone's expectations or to disappoint them.

How do you use "let down" in a sentence?

I'm sorry I let you down. Don't let me down this time. She felt let down by her friends.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Neutral

Meaning: To disappoint someone

让某人失望

Decepcionar a alguien

誰かを失望させる、がっかりさせる

누군가를 실망시키다

To fail to meet someone's expectations or to disappoint them.

未能达到某人的期望，或使他们感到失望。

No cumplir las expectativas de alguien o decepcionarle.

誰かの期待に応えられなかったり、失望させたりすることを意味します。

누군가의 기대에 부응하지 못하거나 실망시키다.

Base verb: let

Particle: down

Separable: Yes — the object can go between the verb and particle

I'm sorry I let you down.
对不起让你失望了
Siento haberte decepcionado
がっかりさせてごめんなさい
실망시켜서 미안해.
Don't let me down this time.
这次别让我失望
No me decepciones esta vez
今度は失望させないでね
이번엔 실망시키지 마.
She felt let down by her friends.
她觉得被朋友们辜负了
Se sintió decepcionada por sus amigos
彼女は友人たちに裏切られた気持ちだった
그녀는 친구들에게 배신당한 기분이었다.

Context: disappointment, relationships

Tone: apologetic

From lowering someone's expectations or spirits.

Era: Modern

Generation: All ages

Social background: Universal