1)
Why is "Chanenu" repeated?
1.
Radak: This is to strengthen the matter.
2.
Malbim: Increase grace "because we are satiated with disgrace."
2)
What is "Ki Rav"?
1.
Radak: A long time.
3)
What disgrace are we satiated with?
1.
Radak: [Our disgrace] in Galus.