同学你好，该知识点来自沪江网校《新概念英语1、2、3、4册连读标准会话【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
Everyone went to the funeral, for the 'ghost' was none other than Eric Cox, a third brother who was supposed to have died as a young man.
大家都去参加了葬礼，因为那“鬼”不是别人，正是农场主的兄弟埃里克.考科斯。人们以为埃里克年轻时就死了。

none other than 就是; 不是别的而正是
The leggy beauty was none other than our own Naomi Campbell.
这位长腿美女不是别人，正是咱们的娜奥米·坎贝尔。
for the 'ghost' was none other than Eric Cox 因为那“鬼”不是别人，正是农场主的兄弟埃里克.考科斯


序数词前用不定冠词，表示在原有序数的基础上再增加一次，含有“再一”“另一”之意，有类似another的用法。如：
Shall I ask her a third time? 我还要问她第3次吗?
Several candidates were called for a second interview. 有几个候选人被叫来进行第二次面试。
a third brother 又一个兄弟

be supposed to 理应……，本应该……
I'm supposed to have handed in a first draft of my dissertation
我本该把论文的初稿交上去了。

as a young man 作为一个年轻人
died as a young man 作为一个年轻人死去，在年轻的时候死去
who was supposed to have died as a young man 人们以为埃里克年轻时就死了

祝同学学习进步~