Here are some examples:
* Kick the bucket: This means to die, even though kicking a bucket has nothing to do with death.
* Spill the beans: This means to reveal a secret, even though spilling beans is a literal act.
* Bite the bullet: This means to face a difficult or unpleasant situation bravely, even though biting a bullet is a painful action.
* See eye to eye: This means to agree with someone, even though it's not a literal act.
* Break a leg: This means good luck, even though breaking a leg is a bad thing.
Idioms are often unique to a particular language or culture, and they can be tricky to understand for non-native speakers. However, they are an important part of language and can add color and expressiveness to communication.