改革开放 gǎigékāifàng HSK7 Reform and Opening-up Origin Definitions Defs Strokes Stroke Words Sentences Sents 改革 gǎigé to reform to improve or innovate by changing outdated systems or practices开放 開放 kāifàng verbadjective to be open to the public to open for public use or traffic; to be in operation, as in a library or park; to open to the world