迟缓 HSK 7-9 chíhuǎn sluggish; delayed; tardy adjective Examples 行动迟缓 xíngdòng chíhuǎn Acting slowly. 发展迟缓 fāzhǎn chíhuǎn Slow development. 反应迟缓 fǎnyìng chíhuǎn Delayed reaction.