Happy 18th Birthday in English is translated as
"Ia manuia Lou sefuluvalu (18) tausaga" in Samoan
"Happy birthday, Sister" - "Manuia lou aso fanau, Uso"
Manuia lou 60 tausaga
Manuia lou asofanau muamua.
Uso, Manuia le aso fanua
Manuia le sefuluvalu o ou tausaga (Ma-gnu-yah-le-say-foo-loo-vah-loo-o-oh-tow-sah-gna)
To say "happy 21st birthday" in Samoan, you can say "Manuia le 21 o le aso fanau." This phrase conveys your wishes for a joyful celebration of the 21st birthday. If you're addressing someone directly, you might add their name for a more personal touch.
manuia
Asofanau
O lo'u asofanau
Aloha: Hau'ole la hanau ʻUmi kūmāwalu [how ohlay lay ha-now oomee kooma-wahloo]
How to say happy birthday in tibetan
Happy Early Birthday! Or..... If there birthday is in a week, you could say.... Happy "ONE WEEK" before your birthday!