The phrase "again confident that" is correct and usable in written English.
It can be used when expressing renewed assurance or belief in something after a previous doubt or uncertainty.
Example: "After reviewing the evidence, I am again confident that our approach will yield positive results."
Alternatives: "once more assured that" or "reassured that".
He has emerged from his post-Nice sulk, and is again confident that things are moving his way.
"I've worked with the bases on Cyprus before, and know of their commitment, so I am again confident that action will be taken now.
Inside the Pantages up until November 1 miracles still happen, little girls can still find families and America can be optimistic again, confident that the sun will indeed come out tomorrow.
If he was arrogant and at times feckless, he was also a supreme operator and we have to believe that he is again confident, three years down the road, that he can similarly convince the Real crowd.
Mine That Bird beat Dunkirk by 19 lengths in the Derby, but Pletcher is confident that will not happen again.
And Jenkins is confident that will not happen to Swansea again.
"It's still very difficult because we know we lost a friend, and because we know we lost a friend because of a structure failure, we need to be confident again in that structure".
I picked it up again months later, confident that it would not be too late, to experiment with a new approach.
Again, I am confident that Mr. Powell is fully informed about the lack of progress in creating an integrated resolution regime between Britain and the euro zone, as well as the serious difficulties within the euro zone itself.
"We have agreed to take things until the end of the season and to then look at the situation again but I am confident that Gary and his backroom staff can help bring some confidence back into the team and give supporters a lift.
