'Certain' in the Bible

But a certain woman threw an upper millstone on Abimelech’s head, crushing his skull.

There was a certain man of Zorah, of the family of the Danites, whose name was Manoah; and his wife was barren and had borne no children.

Now it came about in those days, when there was no king in Israel, that there was a certain Levite staying in the remote part of the hill country of Ephraim, who took a concubine for himself from Bethlehem in Judah.

While they were celebrating, behold, the men of the city, certain worthless fellows, surrounded the house, pounding the door; and they spoke to the owner of the house, the old man, saying, “Bring out the man who came into your house that we may have relations with him.”