It'll take us a while longer to 'iron out' the wrinkles/kinks in the network. [=to fix the small problems in the network]
Although he won't say exactly what he's working on now, he says he has quite a few 'irons in the fire'.
You had better have a 'cast-iron' [=('US') 'airtight'] excuse for missing the meeting.
(..) Begin. Do it right. Begin. Master Kichijoji is with us today. He will instruct you. First, he will show you his iron fist. Please begin, sir. Master, so sorry. I said to use the thin one! Sir, once more. Sorry, sir. Once more. (..)2007 Kantoku · Banzai!