Commonly Used English Idioms
There are numerous English idioms that are commonly used in everyday conversations. Here are a few examples along with their meanings:

1. "Break a leg"
- This idiom is used to wish someone good luck, especially before a performance or presentation. It is believed to have originated in the theater world where saying "good luck" is considered bad luck.

2. "Bite the bullet"
- This idiom means to endure a painful or difficult situation with courage and resolve. It originated from the practice of having soldiers bite on a bullet during surgery to help them endure the pain.

3. "Cost an arm and a leg"
- This idiom is used to describe something that is very expensive. It implies that the cost of the item is so high that it feels like you are giving up a limb to pay for it.

4. "Hit the nail on the head"
- This idiom means to describe someone who has made an accurate or precise statement or assessment. It is often used to acknowledge someone for getting something right.

5. "Piece of cake"
- This idiom is used to describe something that is very easy to do. It compares the task to eating a piece of cake, which is considered a simple and enjoyable activity.
Using idioms in your conversations can add color and depth to your language. They can also help you connect with native speakers and show that you have a good grasp of the language's nuances.