stranger
/ˈstreɪndʒə(r)/noun
1- a person whom one does not know or with whom one is not familiar陌生人：
don't talk to strangers
不要跟陌生人讲话
she remained a stranger to him.
他仍然不认识她。
1.1
- a person who does not know, or is not known in, a particular place or community外地人, 异乡人; 来客：
I'm a stranger in these parts
我在这些地方人地生疏
he must have been a stranger to the village.
他一定不是这个村子的人。
1.2
stranger to
a person entirely unaccustomed to (a feeling, experience, or situation)对（情感, 经历, 情形）不习惯的人：he is no stranger to controversy.
他对争论已习以为常了。
1.3
- a person who is not a member or official of the House of Commons非众议院议员者, 非众议院官员者。
短语
hello, stranger!
- humorous used to greet someone whom one has not seen for some time〈幽默〉嘿, 稀客！ （用于与很长时间没有见面的人打招呼）。
词源
late Middle English: shortening of Old French estrangier, from Latin extraneus （see STRANGE）.