YOU SAID:

hello stranger, how are you

INTO JAPANESE

こんにちは見知らぬ人、元気？

BACK INTO ENGLISH

Hello stranger, how are you?

INTO JAPANESE

こんにちは見知らぬ人、どうですか？

BACK INTO ENGLISH

Hi stranger, how are you?

INTO JAPANESE

こんにちは、あなたはどうですか？

BACK INTO ENGLISH

Hello, how are you?

INTO JAPANESE

もしもし？ 元気？

BACK INTO ENGLISH

Hello, how are you?