What are the connotations of "Veheiveisi osam be'Eretz Oyveihem"?
Rashi: It is a good Midah, inasmuch as Hashem will accompany them into Galus, 1 and when they want to emulate their host nation, He will send Nevi'im to bring them back on track. 2
Ramban and Seforno: It refers to the return of the exiles to Eretz Yisrael from Bavel, when the land was under the jurisdiction of the Persians. 3
To keep an eye on them.
See Yechezkel, 20:32, 33.
Ramban and Seforno: See Nechemyah, 9:36, 37.
What are the connotations of ">O Az Yikana ... " ?
Rashi #1: It means 'Alternatively, if they humble their uncircumcised hearts'. 1
Rashi #2: It means 'Perhaps then their uncircumcised hearts will be humbled'.
Ramban: It means that Hashem will bring them to the land of their enemies until they either humble themselves before Him or they attain atonement via the length of the Galus.
Targum Yonasan: It means that when they are in Galus in the land of their enemies they will evil hearts will be broken and their sins will be atoned. 2
Rosh 3 : It means that they will be humbled due to [the punishment for transgressing] Shabbos, the seventh [day], like the Gematriya of "O", and due to the B'ris Milah, which is on the eighth [day], like the Gematriya of "Az".
What is the meaning of "ve'Az Yirtzu es Avonam"?
Rashi: It means that their sins will then be atoned via their suffering.