YOU SAID:

The water flowing down the river didn’t look that powerful from the car

INTO JAPANESE

川を流れる水は車からはそれほど強力に見えませんでした

BACK INTO ENGLISH

The water flowing through the river didn't look so strong from the car

INTO JAPANESE

川を流れる水は車からはそれほど強く見えませんでした

BACK INTO ENGLISH

The water flowing through the river didn't look so strong from the car