[376-35] Prospero bewails the fate of his principality, Milan.
[376-36] The meaning of the last seven lines is that Antonio thought Prospero incapable of ruling, offered to pay the King of Naples an annual tribute, to do him homage and to make Milan subject to Naples.
[376-37] In lieu now means instead of, but Shakespeare uses it in the sense of in return for.
[376-38] Presently means immediately.
[376-39] Practice means plot or stratagem.
[376-40] The six lines mean that one midnight, suited to such a plot, a treacherous army having been levied, Antonio opened the gates of Milan, and in the dead of darkness hurried away Prospero and the crying Miranda.
[377-41] In this place hint means theme or subject.
[377-42] Upon’s is upon us.
[377-43] Impertinent in this connection means out of place.
[377-44] Wench means girl, and at the time of Shakespeare was a term of affection, like dear girl.