Word: 自发 (zìfā) Traditional: 自發 自发 dictionary entry zìfā spontaneous Full dictionary entry for 自发 Example sentences using 自发 2 sentences, showing page 1 of 1. 地震后，许多市民自发去捐血。 Dìzhèn hòu, xǔduō shìmín zìfā qù juānxuè. After the earthquake, many citizens spontaneously went to donate blood. 居民自发组织了清扫活动。 Jūmín zìfā zǔzhīle qīngsǎo huódòng. The residents spontaneously organized a clean-up.