YOU SAID:

I hate my sister I wish I was an only child

INTO JAPANESE

私は妹が嫌い私は一人っ子だったらいいのに

BACK INTO ENGLISH

I hate my sister i wish i was the only child

INTO JAPANESE

私は妹が嫌いです

BACK INTO ENGLISH

I hate my sister

INTO JAPANESE

私は妹が嫌い

BACK INTO ENGLISH

I hate my sister