YOU SAID:

Hide under, above isn't safe

INTO JAPANESE

下に隠れて、上は安全ではありません

BACK INTO ENGLISH

Hiding underneath, above is not safe

INTO JAPANESE

下、上に隠れることは安全ではありません

BACK INTO ENGLISH

Hiding below and above is not safe

INTO JAPANESE

上下に隠れることは安全ではありません

BACK INTO ENGLISH

It's not safe to hide up and down

INTO JAPANESE

上下に隠すのは安全ではありません

BACK INTO ENGLISH

It's not safe to hide up and down