unfamiliar with (something)

phrase

: not having any knowledge of something
I'm unfamiliar with that subject/language.

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“Unfamiliar with (something).” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfamiliar%20with%20%28something%29. Accessed 10 Mar. 2026.

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