…だい
that's (truly) ...
JLPT
N2
Istruktura
N/Na + だい
Ibig sabihin
Expresses a strong affirmative assertion, commonly used by young boys.
そんなこと
冗談
だい
。
That's a joke.
この
ペン
は
僕
のじゃないよ
。
あれが
僕
のだい
。
This pen isn't mine. That's me.
