YOU SAID:

Shut up, your brain's about as functional as a rock.

INTO JAPANESE

黙れ、お前の脳は岩のように機能している。

BACK INTO ENGLISH

Shut up, your brain works like a rock.

INTO JAPANESE

黙れ、お前の脳は岩のように働いている。

BACK INTO ENGLISH

Shut up, your brain works like a rock.