1)
What is the meaning of "Tishalu"?
1.
'Rashi': It is an expression of Shogeg. Radak - the Targum of Shegagah is Shalu. You should not forget this matter!
2)
Why did he say "Lesharso" and "Lihyos Lo Mesharesim u'Maktirim"?
1.
Malbim: Leviyim are Lesharso; Kohanim are Mesharesim u'Maktirim.
