The murder was an open-and-shut case.

这桩谋杀案很容易侦破。

《牛津词典》

It's an open-and-shut case. The hospital is at fault.

这是一件容易裁决的案子，责任在医院一方。

《柯林斯英汉双解大词典》

We think this is an open and shut case .

我们认为这是一目了然的事情…

youdao

But the government says when it comes to black money, it's not an open-and-shut case.

CNN: Black money: Spain's 'euro effect'

Joe Co. would have an open-and-shut case against the companies responsible for the Deepwater Horizon disaster.

FORBES: Magazine Article

Some people now think that this was a very clear open and shut case.

CNN: Transcript of Thursday's Democratic presidential debate