What Does "Crash Course" Mean?
"Crash course" is an English idiom. It means "a rapid and intense course of study."Examples in Sentences
Here are three examples of the idiom "crash course" used in a sentence:- I took a crash course in Spanish before my trip to Mexico.
- He's giving me a crash course in website design.
- You can't become an expert overnight, but a crash course will give you the basics.

What Is an Idiom?
An idiom is a commonly used expression whose meaning does not relate to the literal meaning of its words. In other words, if you were to translate "Crash Course" word for word, there is no guarantee the translation would help you to understand the meaning.An idiom often includes a cultural or historical context that makes it difficult for non-native English speakers to understand. A phrase is classified as an idiom when a direct translation of the words does not reveal the meaning. Most idioms rely on shared knowledge or experiences known only to a specific community.
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