Formal — to staff
Onsen · Etiquette
すみません、こちらの洗い場は、どなたかご利用中でしょうか? — Excuse me, is this washing station currently in use by someone? (Onsen · Etiquette, Formal — to staff, JLPT N4)
You
すみません、こちらの洗い場は、どなたかご利用中でしょうか?
すみません、こちらのあらいばは、どなたかごりようちゅうでしょうか?
Excuse me, is this washing station currently in use by someone?
Romaji: Sumimasen, kochira no araiba wa, donata ka go-riyōchū deshō ka? / Reply Romaji: A, sumimasen! Dōzo, o-tsukai kudasai.
Reply
あ、すみません!どうぞ、お使いください。
あ、すみません!どうぞ、おつかいください。
Oh, excuse me! Please, go ahead and use it.
Gesture & etiquette
Lightly gesture towards the washing spot and your intended action.
Do not move other people's belongings without asking. Avoid direct confrontation.