allons-y
Tiens
on y va
"Laisse Tomber", also known in English as : "drop it"
J'taime, bonne nuit
A Party: You might say, let's go have us a hoot'nanny
Allons!
agréable allons
You should say Allons-y, which literally means "Let's go there" or "Let's go to it". In French grammar, the verb "aller" needs a place or verb to follow it. The "y" is the French pronoun for "there", so it fills the "place requirement".
allons à Nice
Partons en vacances.
Allons-y de la restaurante francais.
nous permettre d'aller voir
To say "let's talk" or "let's speak" in French you would say parlons.
je ne te laisserai pas
lâcher de vieux amants
In French, you would say "Parlons français" to mean "Let's speak French."
"Let's not" in French is Il ne faut pas