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.
(..) In his name we gather today to choose a new king as our leader. Who makes a claim? I am Yara Greyjoy, daughter of Balon Greyjoy, King of the Iron Islands. I claim the Salt Throne. We've never had a queen. Not once. There are many things we've never done. (..)2016 TvShow: Game of Thrones Title: The Door Season: 6 Episode 5
(..) - (farts) - (laughing) Oh, I am about to go. (farting) Will you stay on as Joffrey's Hand? The Iron Throne's what I demand. - You cannot. - I can. - You will not. - I will. - You dare not. (..)2016 TvShow: Game of Thrones Title: The Door Season: 6 Episode 5