正告

正告	zhèng gào	to tell in no uncertain terms; to sternly warn
正	zhēng	first month of the lunar year
正	zhèng	straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive
告	gào	(bound form) to say; to tell / to announce; to report / to denounce / to file a lawsuit; to sue