YOU SAID:

When the tires hit the gravel, rev up

INTO JAPANESE

タイヤが砂利にぶつかったら、回転させます

BACK INTO ENGLISH

When the tire hits the gravel, rotate it

INTO JAPANESE

タイヤが砂利に当たったら回転させます

BACK INTO ENGLISH

Rotate the tire when it hit the gravel

INTO JAPANESE

砂利にぶつかったらタイヤを回転させる

BACK INTO ENGLISH

Rotate the tire when you hit the gravel

INTO JAPANESE

砂利を打ったときにタイヤを回転させる

BACK INTO ENGLISH

Rotate the tire when you hit the gravel