unexpected visitant
frequent visitant
unwelcome visitant
A: We have a special visitant arriving this afternoon.
A:今天下午有一位特别的访客要来。
B: Is it the professor from the university?
B:是那所大学的教授吗?
1) 来访者
2) 访问者
3) 到访的人或物
1. 来访者;访问者
noun
1. A person who visits a place or someone.
Synonym: visitor, guest