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]
(..) one who was promised. From the fire she was reborn to remake the world. Yes. She has freed the slaves from their chains and crucified the Masters for their sins. She did indeed. Her dragons are fire made flesh, a gift from the Lord of Light. (..)2016 TvShow: Game of Thrones Title: The Door Season: 6 Episode 5
(..) The Sons of the Harpy have a good story. Resist the foreign invaders. Our queen has an even better story. Mother of Dragons, Breaker of Chains and all that. The people know who brought them freedom. Yes, but do they know who brought them security? Who brought about (..)2016 TvShow: Game of Thrones Title: The Door Season: 6 Episode 5