1)
What is the question "Lamah Paratzta Gedereha"?
1.
Rashi: Why did You now breach the walls of that vineyard?!
2.
Radak: You removed Your guarding from them.
3.
Malbim: This is like it says "Parotz Gedero v'Hayah l'Mirmas" (Yeshayah 5:5). This enabled all travelers to detach the fruits.
2)
What is the meaning of "v'Aruha Kol Overei Darech"?
1.
Rashi: Everyone who came detached 1 from it. Radak - this is like it says "v'Histarti Fanai Mehem v'Hayah Le'echol" (Devarim 31:17).
1
Rashi: This is like "Arisi Mori Im Besami" (Shir ha'Shirim 5:1). Also a Mishnah (Shevi'is 1:2) says 'k'Malei Orah v'Salo' (the room needed for the harvester and his basket).