Which Nevi'im are these?
Radak: The false Nevi'im.
How are they "Pochazim"?
Radak: They have little Da'as, like "Anashim Reikim u'Fochazim" (Shoftim 9:4).
Who are "Anshei Bogedos"?
Malbim: They are 'husbands' to women who are Boged (betray) their husbands and have Zenus with these men.
What is the grammatical form of "Bogedos"?
Radak: It is a noun, like "ha'Solelos Ba'u ha'Ir" (Yirmeyahu 32:24).
How did the Kohanim profane Kodesh?
Radak: "Kohaneha Chamsu Sorasi va'Ychalelu Kodoshai Bein Kodesh l'Chol Lo Hivdilu" (Yechezkel 22:26). Malbim - they are commanded to guard the Mikdash and Kodoshav!
How did they steal Torah?
Rashi: They did not teach those who asked them.
Radak: They did not teach the nation like they were obligated - "Yoru Mishpatecha l'Yakov v'Sorasecha l'Yisrael" (Devarim 33:10) - they also transgressed it!