So he took his second choice, and off he went to a first year.

So he took his second choice, and off he went to a first year.


off在这里是什么词性，是什么意思？如果没有off的话，我这边就可以直接翻译为他去的第一年。

"Off" 在这里是一个副词，意思是“离开”。这句话的意思是他选择了他的第二个选项，并离开去读大一。如果没有 "off"，那么这句话会简单地表明他选择了第一年。