'Certain' in the Bible

And these were the people who went up from Tel-melah, Tel-harsha, Cherub, Addan, and Immer. But having no knowledge of their fathers' families or offspring, it was not certain that they were Israelites;

As a result, the priests, descendants of Levi, certain people, the singers, door-keepers, and the Temple Servants were able to settle in their original cities, with the rest of the Israelis in their cities.

The king may be certain that when the building of this town and its walls is complete, they will give no tax or payment in goods or forced payments, and in the end it will be a cause of loss to the kings.

And I gave orders for a search to be made, and it is certain that in the past this town has made trouble for kings, and that outbursts against authority have taken place there.

Be certain to do this with all care: do not let trouble be increased to the king's damage.

But it was in Ecbatana in the province of Media, in the citadel, that a certain scroll had written on it, "A record.

After these things occurred, certain officials approached me and said "The people of Israel, the priests, and the descendants of Levi have not separated themselves from the people of the lands or from the detestable behavior of the Canaanites, the Hittites, the Perizzites, the Jebusites, the Ammonites, the Moabites, the Egyptians, and the Amorites,

And the children of the captivity did so. And Ezra the priest, with certain chief of the fathers, after the house of their fathers, and all of them by their names, were separated, and sat down in the first day of the tenth month to examine the matter.