YOU SAID:
Hello, mother in law!
INTO JAPANESE
こんにちは、義理の母!
BACK INTO ENGLISH
Hi, my mother in law!
INTO JAPANESE
こんにちは、私の義理の母!
BACK INTO ENGLISH
Hi, my step-mother!
INTO JAPANESE
こんにちは、私の義母!
BACK INTO ENGLISH
Hi, my mother in law!
INTO JAPANESE
こんにちは、私の義理の母!
BACK INTO ENGLISH
Hi, my step-mother!
INTO JAPANESE
こんにちは、私の義母!
it is unlikely that this phrase will ever reach equilibrium