Tom yeni bilgisayarın ne kadara mal olacağını kesin olarak bilmiyordu.
- Tom didn't know for certain how much the new computer would cost.
Ben onun ne zaman geleceğini kesin olarak bilmiyorum.
- I don't know for certain when he will come.
For certain.
... like, a favorite song of mine from a certain area. And, you know, it's really fun to do, ...
... I -- sometimes I -- I'll plan months ahead for certain ...