YOU SAID:
Join if you know the way
INTO JAPANESE
方法を知っていれば参加する
BACK INTO ENGLISH
Join if you know how
INTO JAPANESE
方法がわかったら参加してください
BACK INTO ENGLISH
Join us if you know how
INTO JAPANESE
あなたが方法を知っていれば私たちに参加
BACK INTO ENGLISH
Join us if you know how
That didn't even make that much sense in English.