Greatly to my joy 还是Great to my joy

Greatly to my joy 还是Great to my joy
Greatly to my joy 还是Great to my joy

Greatly to my joy 还是Great to my joy
Great to my joy.
这里的to之前应该用形容词,(being) great to my joy.不用副词.
参照：Glad to meet you.
Pleased to see you.
Lovely to have you.
glad,pleased,lovely 都是形容词,而不是副词.而Greatly是副词,great则是形容词.
—Nap.

Greatly to my joy才是对的！意思是“非常令我高兴”
to my joy＝joyful 令人高兴的
所以要用副词greatly来修饰这个比较像形容词的短语！
如：to my surprise ＝surprising
可以加greatly、much等等，表示“非常……”