The origins of specific idioms can vary, and many have fascinating stories behind them. However, it's important to note that the precise origins of idioms can be challenging to trace, Bite the bullet: It has been suggested that the idiom is derived historically from having a patient clench a bullet in their teeth to cope with the pain of surgery without anaesthetic. Break the ice": This idiom comes from the idea of breaking a layer of ice to create an opening in frozen water, allowing ships to pass through. It has been used since the 17th century as a metaphor for initiating a conversation or social interaction to overcome initial awkwardness.