双语常用典故： bell the cat 自告奋勇去冒险;老虎头上拍苍蝇

bell the cat 系成语 to hang the bell about the cat's neck 的简略，愿意是“给猫的脖子上挂铃”。它来自《伊索寓言》(Aesop's Fables)中的《老鼠会议》(The Mice in Council)

这篇寓言讲的是：一群老鼠在鼠洞里举行会议，讨论如何对付凶狠的猫。白胡须老鼠提出：“我有个方法， 在猫的脖子上挂一个铃。这样，猫一走动铃就响，我们就可以闻铃声而逃避了”，群鼠一致同意这个建议， 欢呼：“That's a capital idea.We will bell the cat!No more fear of the cat!”但是，谁去给猫挂铃铛呢？没有一只老鼠敢去，一个个都溜掉了。老鼠会议豪无结果，它们不安全的境况当然也无法改善。

寓言所寄托的意思很明白：遇到困难的问题时候，既需要有出谋献策的人，更需要有挺身而出的实干家。

bell the cat 常用来比喻 to do sth dangerous in order to save others;to step forwar bravely to face the danger;to take a risk for the good of others.

eg:Everybody made suggestion,but no one actually offered to bell the cat.

We didn't know who would put him this delicate question when my friend offered to bell the cat.