to my great joy ,i passed the exam and got an "a" in it.为什么只能用joy而不能用enjoyment

问题描述:

to my great joy ,i passed the exam and got an "a" in it.为什么只能用joy而不能用enjoyment

joy 是高兴的事.enjoyment是喜欢,欣赏.
所以用joy,不用enjoyment.意思是“令我高兴的是.”类似地,to my surprise,to my delight,to my sorrow,to my sadness.