1)
What is the significance of "Lechu Lachamu v'Lachami"?
1.
Malbim: A Pesi should accept the laws of Chachmah. Via this, he will abandon the ways of folly. Chachmah puts astuteness in the heart - "Lases li'Fsayim Armah" (1:4).
2)
What is the meaning of "u'Shesu b'Yayin Masachti"?
1.
Rashi: Drink the wine that I mixed.
2.
Malbim: She tells the Chasar Lev, he must understand the depth of words of Chachmah via the power of Binah, which is compared to wine.