open-and-shut

汉语翻译

a. 极简单的, 明白的, 容易解决的, 时晴时阴的

英语解释

形容词 open-and-shut:

so obvious as to be easily solved or decided

例句

As far as I can see the whole matter is open-and-shut.我看整件事是一清二楚。He's obviously guilty it's an open-and-shut case.他显然有罪--此案昭然若揭。

详细解释

o.pen-and-shut

adj.（形容词）
So obvious as to present no difficulties; easily settled or determined:
一目了然的：十分清晰以至于不会带来任何困难的；容易解决或作出决定的：
例句：
an open-and-shut case.
一目了然的案件