the sound of a bell rung slowly to announce a death or a funeral or the end of something
ring as in announcing death
make (bells) ring, often for the purposes of musical edification
同义词：ring
And in the computer industry, where success depends partly on support from third-party software developers and compatibility with other machines, low profits and low market share are as final as a pair of death knells.
FORBES: Apple offers sizzle
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。