突发 tūfā to occur suddenly
How to remember 突发: 突 sudden + 发 send out = to occur suddenly.
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How it is used
- To break out suddenly / sudden(-onset) - 突发事件 (tūfā shìjiàn) an emergency/sudden incident, 突发疾病 (tūfā jíbìng) sudden illness.
- Attributive marker for something unexpected and abrupt; mostly seen in 突发+noun compounds.
- News, medical, and emergency register.