整改

整改	zhěng gǎi	to reform / to rectify and improve
整	zhěng	(bound form) whole; complete; entire; (before a measure word) whole; (before or after number + measure word) exactly / (bound form) in good order; tidy; neat / (bound form) to put in order; to straighten / (bound form) to repair; to mend; to renovate / (coll.) to fix sb; to give sb a hard time; to mess with sb / (dialect) to tinker with; to do sth to
改	gǎi	to change / to alter / to transform / to correct