正大光明 zhèngdàguāngmíng open and aboveboard Origin Definitions Defs Strokes Stroke Words Sentences Sents 正大 zhèngdà adjective upright upright and honest; fair and unbiased without any selfishness光明 guāngmíng adjective openhearted openhearted; guileless; honorable and upright; free from secrecy or selfishness