YOU SAID:

tennisball throw it against the wall

INTO JAPANESE

テニスボールは壁に投げつけます

BACK INTO ENGLISH

Throw a tennis ball at the wall

INTO JAPANESE

壁にテニスボールを投げる

BACK INTO ENGLISH

Throw a tennis ball on the wall

INTO JAPANESE

壁にテニスボールを投げる

BACK INTO ENGLISH

Throw a tennis ball on the wall