What are some idioms related to courage and bravery?

There are several idioms related to courage and bravery. Here are a few examples:

1. "Bite the bullet" - This idiom means to face a difficult or unpleasant situation with courage and determination.
2. "Brave the storm" - This idiom means to face or endure a difficult or challenging situation with courage and resilience.
3. "Stand one's ground" - This idiom means to maintain one's position or opinion firmly, especially in the face of opposition or danger.
4. "Take the bull by the horns" - This idiom means to confront a difficult or risky situation directly and with determination.
5. "Lion's heart" - This idiom refers to someone who possesses great courage and bravery.
6. "In the line of fire" - This idiom means to be in a dangerous or risky situation, often involving criticism or opposition.
7. "Go the extra mile" - This idiom means to make an additional effort or go beyond what is expected, often requiring courage and determination.
8. "Put on a brave face" - This idiom means to hide one's true feelings of fear or sadness and appear courageous or optimistic.
9. "Courage of one's convictions" - This idiom refers to the bravery and determination to stand up for one's beliefs, even in the face of opposition.
10. "Fight tooth and nail" - This idiom means to fight fiercely and with great determination, often in a difficult or challenging situation.

These idioms are commonly used to describe acts of courage and bravery in various contexts.