give me some English idiomatics that foreigners make funny mistakes

Here are some English idiomatic expressions that are commonly misinterpreted by foreigners, resulting in funny mistakes:

1. "Break a leg" - This phrase is used to wish someone good luck, especially before a performance. Non-native speakers might take it literally and find it confusing or even alarming.

2. "It's raining cats and dogs" - This expression means that it's raining heavily. Foreigners might find it amusing or confusing, thinking that cats and dogs are actually falling from the sky.

3. "Piece of cake" - When something is described as a "piece of cake," it means it's very easy. Non-native speakers might interpret it literally and think it's about an actual cake.

4. "Let the cat out of the bag" - This phrase means to accidentally reveal a secret. Foreigners might find it humorous and wonder why there's a cat in a bag.

5. "Bite the bullet" - This expression means to face a difficult or unpleasant situation bravely. Non-native speakers might find it strange or funny, imagining someone literally biting a bullet.

6. "Hit the nail on the head" - This phrase means to accurately or precisely identify or state something. Foreigners might find it amusing and wonder why someone would hit a nail on someone's head.

7. "Kill two birds with one stone" - This expression means to achieve two things at once. Non-native speakers might find it strange or violent, picturing someone actually killing birds with a stone.

8. "Cost an arm and a leg" - This phrase means that something is very expensive. Foreigners might find it humorous or confusing, wondering why someone would trade body parts for something.

Remember, it's essential to be understanding and patient when dealing with language differences, as these mistakes often result from cultural and linguistic variations