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Know inside and Out

What Does "Know inside and Out" Mean?

homeidiomsKnow inside and Out
"Know inside and out" is an English idiom. It means "to be very familiar with a particular subject or thing."

Examples in Sentences

Here are three examples of the idiom "know inside and out" used in a sentence:
  • She knows this software inside and out.
  • If you have any questions about this period in history, ask him; he knows it inside and out.
  • He knows cars inside and out, so you can trust his judgment.
meaning for know inside and out

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 "Know inside and Out" 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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