i believe "nani wo iu tennan?" means "what are you trying to say?" or something along those lines, so that should work
room in Japanese is "heya".
watashi no heya e youkoso
we say Nakagawa if we want to say inside in Japanese.
メロン is how you say melon in Japanese.
To say tennis in Japanese.........テニス
room in Japanese is "heya".
Ogenki Desuka?
The phrase 'circle room', as in 'circular room' or 'round room', would be translated as 丸い部屋 (marui heya) in Japanese.
watashi no heya e youkoso
''Heya ni WA gomibako ga arimasen'.
"Dou desu ka?" would literally be "how are you doing?" or "how is it?"It is pronounced: doh dess kah.
You could say, "Nani wo shiteru no?" It is also possible to say: "Nani shiteru nan desu ka?"
a japanese crrency room
The translation would be: 何しているの?
"I want to make a room reservation" = "Watashi wa heya no yoyaku o shitai".
Room in Japanese is Heya (pronounced Hey ya)
DAD: "What IS he doing?" MOM: "It's because he's just a kid."