There was an unsuccessful search for a witness of repute .

没 能 找到一位有名望的证人。

This paper discusses the problem on how to calculate the frequency of unsuccessful search with equal probability in a hash table with open addressing method applied to solve collision .

讨论了在Hash查找中，用开放定址法解决冲突，在等概率 查找下 查找 不 成功的计算问题。

Ballmer bid a staggering $ 47.5 billion in an unsuccessful effort to take over Yahoo the No.2 player in search .

去年，鲍尔默先生 一掷令人惊讶的475亿美元的天价，力图收购 搜索市场排名第2的雅虎， 最终 失败。