'Known' in the Bible

Wash thyself therefore, and anoint thee, and put thy raiment upon thee, and get thee down to the threshing-floor, but make not thyself known unto the man, until he shall have done eating and drinking.

And she lay at his feet until the morning. And she rose up before one could discern another. For he said, Let it not be known that the woman came to the threshing-floor.