footnote

1. N-COUNT A footnote is a note at the bottom of a page in a book which provides more detailed information about something that is mentioned on that page. 脚注

2. N-COUNT If you refer to what you are saying as a footnote, you mean that you are adding some information that is related to what has just been mentioned. 补充说明

As a footnote, I should add that there was one point on which his bravado was more than justified. 作为补充说明，我应该再加一点，他表现得过于逞强。

3. N-COUNT If you describe an event as a footnote, you mean that it is fairly unimportant although it will probably be remembered. 次要的事物

I'm afraid that his name will now become a footnote in history. 我认为，他的名字在历史中恐怕将变得不再重要。