be unfamiliar with
/biː ʌnfəˈmɪliər wɪð/To have no knowledge or experience of something; to be unacquainted with a person, place, or concept.
She was unfamiliar with the local customs when she first moved to the country.
He had never used a smartphone before, so he was completely unfamiliar with the latest apps.
This phrase is often used to describe a lack of exposure or experience with something, which can lead to discomfort or difficulty in understanding.
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💡Pro Tip
Usage Tip
Use 'be unfamiliar with' when you want to emphasize a lack of knowledge or experience in a neutral or formal way. For more casual contexts, you might say 'I don't know about' or 'I'm not familiar with.'
⚡Gold Rule
Grammar Rule
The phrase 'be unfamiliar with' is always followed by a noun or noun phrase. It cannot be followed by a verb or clause.
📖Word Origin
Derived from the adjective 'unfamiliar' (from Middle English 'unfamiliar,' from Latin 'familiaris,' meaning 'domestic') combined with the preposition 'with.'
📝Usage Notes
This phrase is commonly used in both formal and informal contexts to express a lack of knowledge or experience. It can refer to people, places, concepts, or skills.