YOU SAID:

With a purposeful grimace and a terrible sound

INTO JAPANESE

わざとしかめっ面とひどい音で

BACK INTO ENGLISH

With a purposely frown and a terrible sound

INTO JAPANESE

わざと眉をひそめてひどい音を立てて

BACK INTO ENGLISH

Frow your eyebrows on purpose and make a terrible noise

INTO JAPANESE

わざと眉をひそめてひどい音を立てる

BACK INTO ENGLISH

deliberately frown and make a terrible noise

INTO JAPANESE

故意に眉をひそめてひどい音を立てる

BACK INTO ENGLISH

deliberately frown and make a terrible noise