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]
(..) city and drink wine with them. I imagine this room was built so the rulers could intimidate the ruled. But I am not your ruler. I'm not the Breaker of Chains. I'm not the Unburnt. And I am certainly not the Mother of Dragons. You are a stranger here. So why do you represent Meereen (..)2016 TvShow: Game of Thrones Title: Book of the Stranger Season: 6 Episode 4
(..) so she could return to Westeros where she belongs. She refused them. She refused them because hundreds of thousands of men, women, and children still lived in chains. As they have since the dawn of time. - Not anymore. - You think you're a free man now? You still follow orders. (..)2016 TvShow: Game of Thrones Title: Book of the Stranger Season: 6 Episode 4