Tom saat kaçta varması gerektiğini kesin olarak bilmiyordu.
- Tom didn't know for certain what time he should arrive.
Tom yeni bilgisayarın ne kadara mal olacağını kesin olarak bilmiyordu.
- Tom didn't know for certain how much the new computer would cost.
For certain.
... why I made certain decisions, that instead of regretting ...
... reasonably certain that if you think you have a TPM, you do have a TPM, and that it faithfully ...