bell
n. /bel/ A1
铃；铃铛
A hollow metal cup that makes a ringing sound when it is struck or shaken.
仙境例句
A little bell hung by the door; Alice shook it, and nobody came at all.
门边挂着一个小铃，爱丽丝摇了摇，可谁也没来。
巴菲特芒格原话
Probably people around the world, but I certainly know in terms of our businesses, it was like a bell had been rung.全世界的人大概都有这种感觉，但在我们旗下企业看来，那感觉绝对就像有人猛敲了一记警钟。
Warren Buffett · 伯克希尔股东大会，2009