1)
What are "Te'enim Sho'arim"?
1.
Rashi: It is an expression of Sha'arurah (refer to 5:30:2:1-2).
2.
Radak, Malbim: This is like the parable of the two baskets of figs (24:2-10). The remnant in Yerushalayim are the bad figs.