Idioms - those little stock expressions whose meanings aren't what they first seem - are often the hardest part of learning a new language. And Italian has an abundance of the confusing sayings. This means that you can understand every word that someone is saying to you, and yet still not have a clue what they're talking about.

In particular, the way different languages depict colour is a topic that has interested not just linguists, but natural historians over the years. Some languages use different words to distinguish between distinct shades of blue, for example, while others have a single term for the colours English-speakers would categorize as blue and green. Researchers have debated whether this is because of a different perception of the colour spectrum, or if it's language which influences people's experience of the world.