pin up

基本解释

One at a time, push each pin up with the paperclip.
用回形针将锁里的针脚一个一个地挑起来。
He liked to pin up the pictures of pop-stars the he clipped from various magazines.
他喜欢把从各种杂志中剪下来的流行歌星的照片钉在墙上。
The teachers usually pin up the best work on the board.
老师通常把最好的作业钉在展示板上。

So they pin up posters on election commission sponsored bulletin boards and spread their message by megaphones.
Because once you actually push people,to pin them down, what do you mean by it,you end up with something that's either just not true, or not interesting,or not necessary, or not particularly unique to death.
因为你一旦逼问他们这到底是什么含义，得到的东西既不会是真实的，也不会是必要和有趣的，也不会是对于死亡来说独特的。
耶鲁公开课 - 死亡课程节选
What does it matter what you say about somebody? It comes up all through his work that you never can pin anyone down.

Soon MySpace's ad salesmen will use software that sifts through its members' profile pages and sorts them based on the often piercingly personal information they pin up on their pages.
FORBES: Magazine Article