YOU SAID:

Oh no! The river is going the other way

INTO JAPANESE

あらいやだ！川は逆に進んでいます

BACK INTO ENGLISH

Oh no! The river is going in reverse

INTO JAPANESE

あらいやだ！川は逆流しています

BACK INTO ENGLISH

Oh no! The river is flowing backwards

INTO JAPANESE

あらいやだ！川は逆流しています

BACK INTO ENGLISH

Oh no! The river is flowing backwards