第三人称复数：flare-ups
名词火焰、光等的骤发或骤燃; 激怒; 怒气（或疾病）的发作; 昙花一现式的出名
1. (暴乱或疾病的)突发，突然加剧，突然恶化
If there is a flare-up of violence or of an illness, it suddenly starts or gets worse.
e.g. There's been a flare-up of violence in South Africa.
南非暴力冲突突然加剧。
e.g. ...a flare-up in her arthritis.
她的关节炎突然加重