What does "let down" mean?

To disappoint someone To fail someone's expectations.

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

I don't want to let you down. She felt let down by her friends. He's never let me down.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common Neutral

Meaning: To disappoint someone

让人失望

Decepcionar a alguien

がっかりさせる、失望させる

실망시키다

To fail someone's expectations.

辜负某人的期望。

No cumplir con las expectativas de alguien.

誰かの期待を裏切ること。

누군가의 기대를 저버리는 것.

Base verb: let

Particle: down

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

I don't want to let you down.
我不想让你失望
No quiero decepcionarte
あなたをがっかりさせたくない
당신을 실망시키고 싶지 않아요.
She felt let down by her friends.
她觉得被朋友辜负了
Se sintió decepcionada por sus amigos
彼女は友人に裏切られた気持ちだった
그녀는 친구들에게 배신감을 느꼈다.
He's never let me down.
他从未让我失望过
Nunca me ha decepcionado
彼は一度も私を失望させたことがない
그는 한 번도 나를 실망시킨 적이 없다.

Context: disappointment

Tone: sad

From lowering expectations.

Era: Modern

Generation: All ages

Social background: Universal