What does Ezra 9:10 mean?

Since the days of our fathers we have been exceeding guilty to this day; and for our iniquities we, our kings, and our priests, have been delivered into the hand of the kings of the lands, to the sword, to captivity, to plunder, and to confusion of face, as it is this day.

Now for a little moment grace has been shown from Yahweh our God, to leave us a remnant to escape, and to give us a nail in his holy place, that our God may lighten our eyes, and revived us a little in our bondage.

For we are bondservants; yet our God has not forsaken us in our bondage, but has extended loving kindness to us in the sight of the kings of Persia, to revive us, to set up the house of our God, and to repair its ruins, and to give us a wall in Judah and in Jerusalem.

which you have commanded by your servants the prophets, saying, ‘The land, to which you go to possess it, is an unclean land through the uncleanness of the peoples of the lands, through their abominations, which have filled it from one end to another with their filthiness.

Now therefore don’t give your daughters to their sons. Don’t take their daughters to your sons, nor seek their peace or their prosperity forever; that you may be strong, and eat the good of the land, and leave it for an inheritance to your children forever.’

“After all that has come on us for our evil deeds, and for our great guilt, since you, our God, have punished us less than our iniquities deserve, and have given us such a remnant,