burst into

柯林斯词典

1. PHRASAL VERB If you burst into tears, laughter, or song, you suddenly begin to cry, laugh, or sing. 突然 (哭、笑、唱) 起来
She burst into tears and ran from the kitchen. 她突然哭起来，跑出了厨房。
2. PHRASAL VERB If you say that something bursts into a particular situation or state, you mean that it suddenly changes into that situation or state. 突然进入 (某种状态)
This weekend's fighting is threatening to burst into full-scale war. 这个周末的战斗有突然升级为全面战争的危险。
3. to burst into flames→see flame