1. 突发：bursitis 粘液囊炎 | burst forth 突发 | burst in 闯入

2.

2. 突然发生;突然爆发：oppress vt. 压迫;压抑 | burst forth 突然发生;突然爆发 | latent adj. 潜在的;潜伏的

3. 突然出现//burst into 突然闯入：burst vt. (使)爆炸,破裂; 突然发作 | burst forth 突然出现//burst into 突然闯入 | *outbreak n. (战争、情感、火山等的)爆发,(疾病、虫害等的)突然发生

4. 突然爆发出; 喷出 突然出现 大声喊叫, 突然说出 忽然跳出：burst away 急速四散 | burst forth 突然爆发出; 喷出 突然出现 大声喊叫, 突然说出 忽然跳出 | burst in 闯入; 突然出现; 突然...起来; 突然发作

1. come into or as if into flower

    e.g. These manifestations effloresced in the past

    Synonym: effloresce

2. be unleashed
    emerge with violence or noise

    e.g. His anger exploded

    Synonym: explodebreak loose

3. jump out from a hiding place and surprise (someone)

    e.g. The attackers leapt out from the bushes

    Synonym: leap outrush outsally out