Interjection
Noun
Verb (する, intransitive)
1. banzai; hurray; hurrah; hooray
celebratory cheer; trad. shouted while raising both arms in the air
そして彼はそのまま、万歳をするように手を突き上げた。And just like that, he thrust his hands up as if shouting banzai.
2. something to cheer about; something worthy of celebration
無事に帰れただけでも万歳だよ。Just getting home safely is something to cheer about.
Noun
Verb (する, intransitive)
3. giving up; throwing one's hands up
この問題はさっぱりわからない、もう万歳だ。I can't make head or tail of this problem; I give up.
4. eternal life and prosperity