丧钟；结束的信号

death knells───丧钟；结束的信号

death-knell───丧钟；结束的信号

death bell───丧钟

death cell───死亡细胞

death angels───死亡天使

death angel───死亡天使

death bells───死亡钟声

death cells───死亡细胞

death roll───n.（战争、灾难等的）死亡人数；死亡总数（同deathtoll）

The death knell of a marriage is contempt.───婚姻结束的标志是互相蔑视。

The tax increase sounded the death knell for the business.───税收的增长预示着这项生意的终结。

However, this process is not the 'death knell' for the ice sheet.───不过，这个过程并不是冰盖的'丧钟'。

This day is also likely to stand, the newspaper might have added, as the day which sounded the death knell of imperialism in Asia.───其实，这家报纸还可以再补充一句说，这一天也很有可能作为在亚洲敲响帝国主义丧钟的日子而载入史册。

His sudden illness was the death knell of his hope to go traveling with his schoolmates .───他这突然一病，使他想与同学们一起去旅行的希望化为了泡影。

The move if it spreads could sound the death-knell for small-scale newspaper delivery operations across the UK.───如果该项举措蔓延开来，可能会为整个英国的小型报刊投递商敲响丧钟。

That's not a death knell, just a chance for re-purposing.───这并非这台电脑的丧钟，而是一个改变用途的好机会。

The making of movies was to be the death knell of live theater; recorded music, the end of concerts.───电影的出现为现场戏剧表演敲响了丧钟；音乐的录制也意味着音乐会终会消失。

Historians may come to see the decline of the newspaper as the death-knell for the nation-state as we knew it.───历史学家们可能会看见报业的衰落，就像要为我们理解的单一民族国家而敲响丧钟一样。