1)
What is the meaning of "ha'Koderim Mini Kerach"?
1.
Rashi: If ice comes on the rivers.
2.
Ibn Ezra: When ice comes, the snow is hidden under it. This is like "Cheschas Mayim."
2)
What is the significance of "Aleimo Yis'alem Shaleg"?
1.
Rashi: Snow falls on the ice, and the river is hidden; people cannot find water to drink 1 . This is one betrayal.
2.
Malbim: When the rivers freeze, it seems that the snow on them will remain forever.
1
Even if only the top of the river froze, and one could break the ice and take water, it is not known where the river is. (PF)


