"What are you doing?"
i believe "nani wo iu tennan?" means "what are you trying to say?" or something along those lines, so that should work
ogenki desuka
"Nani o shite dayo" is a Japanese phrase that translates to "What are you doing?" in English. It is often used informally in conversations to inquire about someone's current activity or to express curiosity about their actions. The phrase combines "nani" (what), "o" (object marker), "shite" (doing), and "dayo" (a casual way to assert or confirm).
Nani generally means why or what
Formal:なにをしていますか?Romanji - Nani o shite imasu ka? Informal:なにしている?Romanji - Nani shite iru?
You may say 'nani o shite imasu ka,' written in Japanese as: 何をしていますか
Who Am I?(A boy) "What am I?" would be more accurate, as 'nani' is literally 'what'.
The answer is Nani or 何"nani?" or "nan desu ka?"
何 - Nani
I don't know about any 'yansei' (with long e) but maybe what you are looking for is ''yanse' (with short e) which could be a conjugation of verb 'yansu', used informally and in some dialects, meaning 'to be'. E.g: Nani shiterun desuka? (What are you doing?) Nani shite yansuka? (same meaning)
what does the phrase "Nani Loa" mean
Nani o shimasuka.