What does "chill out" mean?

To relax completely To become calm and stop worrying.

How do you use "chill out" in a sentence?

Chill out, it's not that serious. I just want to chill out tonight. She needs to chill out.

Phrasal Verb BritishAmericanAustralian ★★★★★ Very Common informal

Meaning: To relax completely

冷静下来，放松

Relajarse, calmarse

落ち着く、のんびりする

느긋하게 쉬다, 진정하다

To become calm and stop worrying.

变得平静，不再担心。这是一个比较口语化的表达，年轻人常用。

Calmarse y dejar de preocuparse. Es una expresión coloquial, especialmente popular entre los jóvenes.

穏やかになり、心配するのをやめること。カジュアルな表現で、特に若者がよく使う。

마음을 가라앉히고 걱정을 멈추다.

Base verb: chill

Particle: out

Separable: No — the verb and particle stay together

Chill out, it's not that serious.
冷静点，没那么严重
Relájate, no es para tanto
落ち着けよ、そんな大したことじゃない
진정해, 그렇게 심각한 거 아니야.
I just want to chill out tonight.
今晚我只想放松一下
Esta noche solo quiero relajarme
今夜はのんびりしたいだけ
오늘 밤은 그냥 느긋하게 쉬고 싶어.
She needs to chill out.
她需要冷静一下
Necesita calmarse
彼女は落ち着く必要がある
그녀는 좀 진정할 필요가 있어.

Context: relaxation, stress, calm

Tone: casual

From cooling down emotionally.

Era: Modern

Generation: Younger

Social background: Universal