1)
Why does it say "v'Asu Osach b'Sin'ah"?
1.
Malbim: It is not amidst the previous love, rather, amidst the current hatred. This is why they will take all your exertion, leave you naked, destroy everything, and not leave a remnant.
2)
What is the significance of being left naked?
1.
Radak: Refer to 16:7:6:2-4.
2.
Malbim: Refer to 23:29:1:1. They will not cover you at all, rather, reveal the Ervah of your Zimah.
3)
What is "Zenunayich"?
1.
Radak: Zenunayich is from Zanah; the Nun is doubled, like "Hagigi" (Tehilim 5:2) from Hagah.