hele nalu mākou [hay-lay na-loo may-ko]
Lets go swimming
Aloha: Mahalo; hele iā mākou [mahalo; haylay eeah mayko]
'A'ole ha'alele [ah oh-lay ha'ah-laylay]
"ഞാൻ ലഞ്ച് നേടണോ" (Njan lunch nāṭaṇō) would be the closest translation for "Let's go for lunch" in Malayalam.
lets go private
You say "Lets go!" in Maasai language of the African origin as "Maape!".
"Kōkua nui" is how you say "big help" in Hawaiian.
allons-y France allons-y
May we go swimming - podemos nadar juntos?
No, but it'd be cool though. I believe you can go swimming in Animal Crossing 3DS, which would be out soon, but not sure what the exact release date.
You say, "We go to swim." "Vamos a nadar."
"Chodźmy" is a common way to say "let's go" in Polish.