total strangers
complete strangers
friendly strangers
strangers in the crowd
A: Who are those people over there?
A：那边那些人是谁？
B: I don't know; they seem like total strangers to me.
B：我不知道；在我看来他们完全是陌生人。
1) 不认识的人
2) 外来者
3) 异乡人
1. 陌生人
noun
1. People whom you do not know.
Synonym: outsiders, unknowns