/ˌʌnfəˈmɪliə(r) ||; ˌʌnfəˈmɪljɚ/adj1 unfamiliar (to sb) that you do not know well 不熟悉;陌生: an unfamiliar part of town 城里一个陌生的地区
2 unfamiliar (with sth) not having knowledge or experience of sth 不通晓;不熟悉: I'm unfamiliar with this author. 这位作者我不熟悉。 [OPP] familiar 反义词为familiar