YOU SAID:

Whales shouldn't walk on land it's not good for their fins and skin

INTO JAPANESE

クジラはヒレや皮膚に良くないので陸の上を歩くべきではない

BACK INTO ENGLISH

Whales should not walk on land because they are bad for their fins and skin

INTO JAPANESE

クジラはヒレや皮膚に悪いので陸上を歩いてはいけない

BACK INTO ENGLISH

Whales are bad for their fins and skin, so don't walk on land

INTO JAPANESE

クジラはヒレや皮膚に悪いので陸を歩かないでください

BACK INTO ENGLISH

Whales are bad for their fins and skin, so don't walk on land