'Certain' in the Bible

And there were certain men, who were defiled by the dead body of a man, that they could not keep the passover on that day: and they came before Moses and before Aaron on that day:

And if you come with us, it is certain that whatever good things the Lord will favor us with, we will share with you as well."

Meanwhile, certain riff-raff among the people had an insatiable appetite for food. As a result, they wept and turned back, and the Israelis cried out, "If only somebody would feed us some meat!

and they put him in custody, because it had not been explained [by God] what should be done to him.

And they rose up before Moses, with certain of the children of Israel, two hundred and fifty princes of the assembly, famous in the congregation, men of renown:

“But ships shall come from the coast of Kittim,And shall afflict Asshur (Assyria) and Eber;So they (the victors) also will come to destruction.”

"But if you won't do so, look out! You will be sinning against the LORD. Be certain of this, that your sin will catch up to you!

Then let certain towns be marked out as safe places to which anyone who takes the life of another in error may go in flight.