therein lies the problem

phrase

: that is the problem

I don't know what to do, and therein lies the problem.

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therein lies

therein lies the problem

thereinto

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“Therein lies the problem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/therein%20lies%20the%20problem. Accessed 10 Mar. 2026.

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therein lies the problem

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