'Know' in the Bible

Boaz answered her, “Everything you have done for your mother-in-law since your husband’s death has been fully reported to me: how you left your father and mother and the land of your birth, and how you came to a people you didn’t previously know.

Wash, put on perfumed oil, and wear your best clothes. Go down to the threshing floor, but don’t let the man know you are there until he has finished eating and drinking.

And now, my daughter, fear not; I will do to thee all that thou requirest: for all the city of my people doth know that thou art a virtuous woman.

And she lay at his feet until the morning: and she rose up before one could know another. And he said, Let it not be known that a woman came into the floor.

Then said she, Sit still, my daughter, until thou know how the matter will fall: for the man will not be in rest, until he have finished the thing this day.

And I thought to advertise thee, saying, Buy it before the inhabitants, and before the elders of my people. If thou wilt redeem it, redeem it: but if thou wilt not redeem it, then tell me, that I may know: for there is none to redeem it beside thee; and I am after thee. And he said, I will redeem it.