YOU SAID:

and then saw maddie following close behind her brow etched with a frown

INTO JAPANESE

眉をひそめているマディが眉をひそめているのを見た

BACK INTO ENGLISH

I saw a frowning Maddy frowning

INTO JAPANESE

顔をしかめたマディが顔をしかめた

BACK INTO ENGLISH

Maddy frowned, frowned

INTO JAPANESE

マディは眉をひそめ、眉をひそめた

BACK INTO ENGLISH

Maddy frowned, frowned