知过必改[zhī guò bì gǎi]
词典You must correct your own fault when you know it.：知过必改。
词典always correct an error when one becomes aware of it：知过必改。
词典If a mistake is found, then correct it.
词典知过必改
词典If you know your faults, you must reform yourself.
知过必改[zhī guò bì gǎi]
You must correct your own fault when you know it.; always correct an error when one becomes aware of it; If a mistake is found, then correct it.; If you know your faults, you must reform yourself.; Once he recognizes it to be his error, he will surely rect
1. 要知过必改，不要文过饰非。
Correct your mistake the moment you realize it and don't try to gloss over your mistake.