Tom nereye gitmesi gerektiğini kesin olarak bilmiyordu.
- Tom didn't know for certain where he should go.
Ben onun ne zaman geleceğini kesin olarak bilmiyorum.
- I don't know for certain when he will come.
For certain.
... But I think there are some certain key things ...
... you come here for so long and we've got his certain experiencing in working in ...