1)
How do we pronounce "vi'Ylelas"?
1.
Radak: There is a Chirik under the Vov, and the Yud is silent according to [the grammarian] Ben Asher. Ben Naftoli says that there is a Sheva under the Vov, and a Chirik under the Yud.
2)
Why will they scream?
1.
Malbim: The shepherds and officers will roar that Hashem plunders their pasture. All will agree that it is a punishment via Hashgachas Hashem
3)
What is "Mar'isam"?
1.
Radak: The flock of their pasture, i.e. the Goyim. Their kings and shepherds [scream and lament].
