YOU SAID:
hug the pillow with your slender arms
INTO JAPANESE
細い腕で枕を抱きしめる
BACK INTO ENGLISH
hold a pillow with one's thin arms
INTO JAPANESE
細い腕で枕を持つ
BACK INTO ENGLISH
have a pillow with thin arms
INTO JAPANESE
細い腕の枕を持っている
BACK INTO ENGLISH
have a pillow with thin arms
You should move to Japan!