名词

1. 陌生人
A stranger is someone you have never met before.

2. 互不相识的人
If two people are strangers, they do not know each other.

3. 外乡人;外地人
If you are a stranger in a place, you do not know the place well.

4. 生手;外行;(对…)一无所知的人
If you are a stranger to something, you have had no experience of it or do not understand it.

5. see also: strange

You do not use stranger to talk about someone who comes from a country which is not your own. You can refer to him or her as a foreigner, but this word can sound rather rude. It is better to talk about someone from abroad.
指非本国人不能用 stranger，要用foreigner，但 foreigner 一词听起来很不礼貌。更恰当的说法是 someone from abroad。

1. anyone who does not belong in the environment in which they are found

Synonym: alienunknown

2. an individual that one is not acquainted with