YOU SAID:
My brother likes his giant collection of toys
INTO JAPANESE
私の兄はおもちゃの巨大なコレクションが好きです
BACK INTO ENGLISH
my brother likes a huge collection of toys
INTO JAPANESE
私の兄はおもちゃの膨大なコレクションが好きです
BACK INTO ENGLISH
my brother likes a huge collection of toys
You've done this before, haven't you.