意外だと思うかもしれないけどの英語

an impression that something might be the case

It is a mistake to think that such things can be done.

to be surprised―be astonished―be amazed―be disappointed

It's possible, but not probable.

It might be a mistake.

in an unexpected manner

That could be true, but I don't really think so.

Rather, the possibility of that is higher.

I think it is an extremely absurd thing.

As long as you have hope, a chance remains.

I think it's an extremely absurd thing.

I am probably mistaken.

As you may have realized...

discount the possibility of ...

of something, the condition of seeming impossible even when considering it from all angles

It may sound strange, but it is true.

regrettably

oddly [curiously, strangely] enough

a little deliberation would have deterred them

Strange as it may sound, this is true.

capable of being conceived or imagined or considered

I was unprepared for this.

It may sound strange, but it is true.

There is a strong presumption against its truth.

There is one item I'd like to make sure of.

it might be unpleasant, though

Dear me! how wonderful!

I may have misheard that.

That's a popular question.

Wonders will never cease.