光明正大

Light; ray of light; bright; shiny; glory; honor; scenery; time; favor; benefit; only; merely; used up; finished.

bright; light; clear; to understand; to make clear; to shine; public; the Ming Dynasty.

Proper; correct; upright; straight; main; principal; exactly; just; positive (math.); first month of the lunar year.

Big; large; great; vast; elder; eldest; important; profound; to a great extent; to emphasize; (dialect) father or uncle.