1 PHRASAL VERB 突然…起来 If you burst into tears, laughter, or song, you suddenly begin to cry, laugh, or sing. 突然…起来
2 PHRASAL VERB (花、叶等)突然绽放,突然长出 When plants burst into leaf or flower, their leaves or flowers suddenly open. (花、叶等)突然绽放,突然长出 [written]
3 PHRASAL VERB 突然变成 If you say that something bursts into a particular situation or state, you mean that it suddenly changes into that situation or state. 突然变成
4 to burst into flames→see: flame