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]
(..) That drum is your heartbeat! And your god is the glory of Rome! If this ship goes down, so do you. Chains. CAPTAIN: Raise the trident! WATCHMAN: Free to engage! Quickly! GUARD: Ready! - (LADDER RATTLING) - GUARD: Get ready! Chains! SOLDIER : You, too! SOLDIER : Catapults ready! Fire pit ready! Open the oil barrels! SLAVE: We should do something. - We should do something. (..)2016 Ben-Hur