Tom bir yabancı adam tarafından sokakta gece bıçakla tehdit edildi ve parası soyuldu.
- Tom was threatened with a knife on the street at night by an unfamiliar man and robbed of his money.
Ben bu terime yabancıyım.
- I'm unfamiliar with that term.
Due to my unfamiliarity with the library's catalog system, it took several hours to find the book.