gomen kudasai
ごめんください
Excuse me. ; Anybody home? ; May I come in? (an expression used by a visitor)
Note
[gomenkudasai]…is used when entering someone's house. "shitsuree shimasu" and "ojama itashimasu" are used here too, as well as upon entering someone's room.
Example
A:ごめんください。Aです。
B:Aさん、いらっしゃい。どうぞ はいって ください。
A: Anybody home? It's A.
B: Oh, A, welcome. Please, come in.