What does "flare up" mean?

To suddenly become worse For a problem or conflict to intensify suddenly.

How do you use "flare up" in a sentence?

The dispute flared up again. My back problem flared up. Tensions flared up at the meeting.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To suddenly become worse

（问题）突然加剧、爆发

Estallar, agravarse repentinamente

（問題が）再発する、悪化する

(문제가) 재발하다, 악화되다

For a problem or conflict to intensify suddenly.

问题或冲突突然加剧。

Cuando un problema o conflicto se intensifica de repente.

問題や対立が突然激化すること。

문제나 갈등이 갑자기 심해지다.

Base verb: flare

Particle: up

Separable: No — the verb and particle stay together

The dispute flared up again.
争端再次爆发
La disputa estalló de nuevo
紛争が再燃した
분쟁이 다시 불거졌다.
My back problem flared up.
我的腰病又犯了
Mi problema de espalda se agravó
腰の問題が再発した
허리 문제가 재발했다.
Tensions flared up at the meeting.
会议上气氛突然紧张起来
Las tensiones estallaron en la reunión
会議で緊張が高まった
회의에서 긴장이 고조되었다.

Context: intensification, conflicts, health

Tone: concerned

From flames flaring up suddenly.

Era: Modern

Generation: All ages

Social background: Universal