hold the key to


1. be the most crucial element of something






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you hold the key to your own success

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If you 'hold the key' to something means to have control over it or to make something possible by providing a solution or explanation. This is an idiom used in both social and professional contexts.

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  1. I think the opening few paragraphs of that novel hold the key to understanding what the author was trying to achieve with the book.
  2. Police are re-interviewing witnesses in the case, hoping that one of them holds the key to solving the mystery.

Check Icon Professional Examples (Advance)

  1. You hold the key to your own success in this business. If you work hard and follow instructions, you will be climbing the ladder in no time!
  2. The new formula we discovered could hold the key to increasing product yield.

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