cold case

基本解釋

"I was watching Cold Case and it said 'show not found,'" Tim Honnermann of Oakland said.
“當時我正在看鐵證懸案，突然屏幕上添加上了 ‘ 節(jié)目找不到 ’ 的字樣，” 奧克蘭市的豪那曼敘述到。
That makes them an extremely cold case for scientists studying our many-times great grandparents.
這使得它們成為了科學(xué)家在研究人類數(shù)代以前祖先中的一個極端懸案。
In one of the oldest cold case reviews the country has seen, officers announced this week that they would reopen their investigation into what happened to 16-year-old Emma Alice Smith in 1926.
在對這起全國最古老的懸案重新研究之后，警方在本周宣布他們將重啟調(diào)查，以查明1926年在當時16歲的艾瑪·愛麗絲·史密斯身上究竟發(fā)生了什么。

Although the case is reminiscent of episodes from the Cold War, Russia hailed the exchange as a positive development.

a case (= a series of events investigated by the police) that has not been solved