YOU SAID:
大人たちの勝手な都合で
INTO JAPANESE
大人たちの勝手な便利で
BACK INTO ENGLISH
It is convenient for adults
INTO JAPANESE
大人に便利です
BACK INTO ENGLISH
Useful for adults
INTO JAPANESE
大人に便利
BACK INTO ENGLISH
Convenient for adults
INTO JAPANESE
大人に便利
BACK INTO ENGLISH
Convenient for adults
That didn't even make that much sense in English.