for certain
US /fɔr ˈsɜrtən/
UK /fɔː ˈsɜːtn/
短語
確信, 肯定
without doubt; definitely
範例:
•
I know for certain that he was at the party.
我確信他當時在派對上。
•
Can you tell me for certain when the meeting will start?
你能確定告訴我會議什麼時候開始嗎？