“muhakkak” İngilizcede

He believes himself to be infallible.

I am positive that he is wrong.

There is certain to be some opposition to your suggestion.

Are you sure?

Those two ideas are quite distinct.

The student decided to abridge his paper by taking out unnecessary details.

The day will surely come when your dream will come true.

There is indisputable proof that Tom is the thief.

Doubtless you have heard the news.