1)
What is "Ma'oz Pharaoh"?
1.
Radak, Malbim: You thought that he will be Ma'oz (strength) for you. He will be shame for you - he will not help you, and you will be shamed by yourselves.
2)
What is "vehe'Chasos b'Tzel Mitzrayim"?
1.
Radak: Chasos is a noun. Its grammatical form is like Galus.
2.
Malbim: You will be ashamed that you lowered Yosef to serve [Egypt] for naught (they did not help you at all).
3)
Why does it mention "Boshes" and "Kelimah"?
1.
Malbim: Boshes being embarrassed oneself; Kelimah is via others.
