Cerny said a sealed-tight case could be made with "some fossils of the anatomically modern humans some 100,000 years old found in South Arabia."

赛尔尼认为，要做到严丝合缝，必须“在南部阿拉伯地区找到100,000年前的解破学意义上的现代人类的遗体化石”。

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People sometimes worry that they have to lay out an air-tight case when asking for more money, but it doesn't always have to be a long speech with evidence about your worth.

许多时候人们总是担心在要求加薪时得策划一份缜密的方案，但你真没必要对自己的价值大摆事实发表长篇大论。

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It was a tight squeeze but we finally got everything into the case.

箱子塞得很紧，不过我们最终还是把所有东西都装进去了。

《牛津词典》

Security and focused on money laundering and other financial crimes, built an air-tight case against nearly a dozen Con Ed supervisors and former employees involved in a kickback scheme.

FORBES: New York's Electricity Crisis Started Before Sandy

In 2009, the El Dorado Task Force, a joint federal and state law enforcement effort focused on money laundering and other financial crimes, built an air-tight case against nearly a dozen Con Edison employees for taking kickbacks from contractors that performed gas line and electrical work for Con Edison on construction projects in New York City and Westchester County.

FORBES: Is Wall Street Wrong About Con Edison? Probably.

Now that business seems to have stabilised, banks must pull off a harder trick than the simple one of slashing jobs: how to position themselves to take advantage of an upturn, while keeping costs tight in case the market turns down again.

ECONOMIST: Investment banking