certain
US /ˈsɝː.tən/
UK /ˈsɝː.tən/

1.
pasti, yakin
known for sure; established beyond doubt
:
•
It's certain that he will win the election.
Sudah pasti dia akan memenangkan pemilihan.
•
Are you certain about your decision?
Apakah kamu yakin dengan keputusanmu?
2.
tertentu, spesifik
specific but not explicitly named or stated
:
•
A certain person told me about it.
Seseorang tertentu memberitahuku tentang itu.
•
There's a certain charm about old houses.
Ada pesona tertentu pada rumah-rumah tua.