Protesters formed 'a human chain' [=they stood next to each other with their arms linked] around the ancient tree to prevent it from being cut down.
In the United States, the President as the commander in chief is at the head of the military 'chain of command'.
I thought he really won the lottery but he was only 'pulling my chain'. [=he was only playing a joke on me]
(..) Yeah. I had to delete your GIF keyboard and your three "Property Brothers" emoji apps. Wait. Did you delete them because... Yeah. You're on the office text chain. Are you serious? This is amazing. Yeah, well I was totally against it, but Amy felt bad because you seemed so pathetic. (..)2017 TvShow: Brooklyn Nine-Nine Title: #DUPE# Season: 4 Episode 11
(..) know they'd be filming. Text chains. Dozens of text chains. And I'm not on any of them. Take a look at this board. There's an Amy-Gina-Terry- Hitchcock-Rosa-Jake chain. There's a Hitchcock-Terry- Amy-Rosa Chain. There's even a Hitchcock-Gina- Scully chain. I mean, what the hell happens on that? (..)2017 TvShow: Brooklyn Nine-Nine Title: #DUPE# Season: 4 Episode 11