1)
What is "Na'atzosecha"?
1.
Malbim: You reviled Me.
2)
What is the significance of "Shamemu Lanu Nitenah Le'achlah"?
1.
Malbim: You said that it is desolate [from Yisrael] due to Yisrael's sin, and you inherited it not only to live there, rather, also to eat the Peros.