YOU SAID:
he looks up grinning like a devil
INTO JAPANESE
彼は悪魔のように笑いながら見上げます
BACK INTO ENGLISH
he looks up with a devilish laugh
INTO JAPANESE
彼は悪魔のような笑い声で見上げます
BACK INTO ENGLISH
he looks up with a devilish laugh
You've done this before, haven't you.