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.
(..) at some other door. House Clegane was built upon dead children. I saw them lay Prince Aegon and Princess Rhaenys before the Iron Throne. Do you take me for my brother? Is being born Clegane a crime? - Murder is a crime. - I never touched the Targaryen babes. I never saw them, (..)2013 TvShow: Game of Thrones Title: And Now His Watch Is Ended Season: 3 Episode 4
(..) my father gave me a choice and I made it. I could never be a Stark. But ironborn, that's what I was born to be. I paid the iron price for Winterfell. I murdered those boys. The Stark boys? Never found them. Just some poor orphans (..)2013 TvShow: Game of Thrones Title: And Now His Watch Is Ended Season: 3 Episode 4