突发 tūfā HSK7 sudden Origin Definitions Defs Strokes Stroke Words Sentences Sents 突发事件 tūfāshìjiàn emergency an unexpected event that happens suddenly and requires immediate action; sudden occurrence; sudden outburst突发奇想 tūfāqíxiǎng to have a sudden flash of inspiration to suddenly have a novel or whimsical idea; to be struck by a sudden whim or thought