Why does it say "Uri Uri"?
Rashi: This is the Navi's Tefilah.
Malbim: This is a dispute between Yisrael and Hashem. Yisrael complain about the delay of salvation. In early days, You did with [our fathers] miracles even though they did not deserve them. Why don't You do so now?
What is the meaning of "Livshi Oz"?
Radak: This is a metaphor, like "Ge'us Lavash" (Tehilim 93:1).
What is "Zero'a Hashem"?
Malbim: It is the strength to perform miracles without help of lower beings or merit, unlike Yad Hashem.
What are "days of old"?
Radak: In Egypt. Malbim - also then, You did miracles without merit of the recipients!
What are "Doros Olamim"?
Radak: Many days and long times that passed.
Malbim: When Yisrael were in Eretz Yisrael.
What is "ha'Machtzeves"?
Radak: He struck them with 10 Makos.
What is "Rahav"?
Rashi: It is Egypt, like it says "u'Mitzrayim
What is the meaning of "Mechuleles"?
Rashi: It is an expression of killing - making a Chalal (dead body).
Radak: This is [terror,] like "Chil ka'Yoledah" (Yirmeyah 6:24)
What is "Tanin"?
Rashi: This is Pharaoh. Radak - it says "Pharaoh