Happy New Year is Tausaga Fou fiafia.
Tau saga fou
its is >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.awsome
manuia
Happy 18th Birthday in English is translated as "Ia manuia Lou sefuluvalu (18) tausaga" in Samoan
Fa'amanatuga fiafia (fa'amanatuga/anniversary - fiafia/happy)
You should say "happy new years to you too!" because that is polite.
Manuia Lou aso fanau
Asofanau fiafia or asofanau manuia.
"Happy birthday, Sister" - "Manuia lou aso fanau, Uso"
Get rid of last years bad year and have a "Happy New Year" !
Manuia lou luasefulutasi tausaga
Manuia lou asofanau, Sakalia.