unfamiliar
US /ʌn.fəˈmɪl.i.jɚ/
UK /ʌn.fəˈmɪl.i.jɚ/

形容词
1.
陌生, 不熟悉
not known or recognized
示例:
•
The landscape was completely unfamiliar to him.
这片风景对他来说完全陌生。
•
She heard an unfamiliar voice on the phone.
她听到电话里传来一个陌生的声音。
2.
不熟悉, 不了解
not having knowledge or experience of something
示例:
•
He was unfamiliar with the local customs.
他对当地习俗不熟悉。
•
Many students are unfamiliar with advanced calculus.
许多学生对高等微积分不熟悉。
在 Lingoland 学习这个单词