YOU SAID:

hello person that i don't know

INTO JAPANESE

知らない人こんにちは

BACK INTO ENGLISH

Hello strangers

INTO JAPANESE

見知らぬ人こんにちは

BACK INTO ENGLISH

Hello stranger

INTO JAPANESE

こんにちは、見知らぬ人。

BACK INTO ENGLISH

Osiyo, stranger.

INTO JAPANESE

こんにちは、見知らぬ人。

BACK INTO ENGLISH

Osiyo, stranger.