The phrase "again how it" is not correct and does not form a coherent expression in written English.
It may be intended to ask for clarification or repetition about a process or situation, but it lacks proper structure.
Example: "Can you explain again how it works?"
Alternatives: "once more how it" or "reiterate how it".
Mr. Streeter asked again how it could be possible that executives from both companies were meeting and yet negotiations were off.
When I watch my boys now, I see in them the kindlings of the same attachment, and remember again how it felt to discover all that possibility.
Mustachioed, skinny, and dapper in a blue suit, he examined the inside of the computer with a long black flashlight, tested again how it worked, and printed out results of a mock election.
I turned to Wang Huachen, who remained intent on manipulating an arsenal of combat spells, and asked again how it was possible that in these circumstances anybody could, as he put it, "have sometimes a playful attitude"?
It clearly has something to do with September 11th, and it's clearly consistent with the President's speech about weapons of mass destruction in the hands of rogues, people with a history of some terror — but, again, how it exactly happened, and what was the particular role of Cheney, among others, I wish you well in uncovering".
After all, this diagram merely summarizes, and distinguishes the main stages of, how the human mind processes the intelligible, universal information received from a multitude of singular experiences, and then again, how it applies this information in classifying further experiences.
But if this bunk science has been discredited time and time again, how does it worm its way into state policy?
But it also shows, yet again, how hard it can be to guess the direction that a new technology might go.
So now it's settled in, I asked him again, how does it feel?
Just put yourself outside of your home, and into the company of new people, and learn again how wonderful it is to have an active, normal social life without this huge black cloud dominating it.
Then again, how could it not happen?
