lui rendre mes grâces, to thank it (your hand
7. la mienne, mine (my hand). The second lui in Arleiiuin's answer is a little ambiguous.
Page 56. — 1. Je ne refuse pas, etc. Thèse words of Lisette's are charming, and like those of Arlequin's mentioned above are superior to Lisette's condition of soubrette.
2. nenni, no, formed f rom nen f weakened form of non and il, just as oui, from Qld French 0, Latin hoc and il (Darmesteter and Hatzfeld — Dictionnaire Général de la Langue Française).