YOU SAID:
Say hello to friends you know
INTO JAPANESE
知っている友達によろしくお伝えください
BACK INTO ENGLISH
Please give my best regards to a friend you know.
INTO JAPANESE
ご存知の友人によろしくお伝えください。
BACK INTO ENGLISH
Please give my best regards to a friend you know.
You've done this before, haven't you.