1.b> , , i> ; , ; he felt a stranger among the crowd of unfamiliar faces , ; his voice was unfamiliar to her ; please highlight any terms that are unfamiliar to you , / ; she felt uneasy in the unfamiliar surroundings / ;
2.b> (with) i> , i> ; an introductory course for students who are unfamiliar with computers , / ; he seems unfamiliar with recent research on this topic , .