(as) plain as the nose in your face

• 显而易见；一清二楚

(as) plain as the nose in your face的用法和样例：

例句

1. The element of the cylinder was plainly visible.
   汽缸上的直线显而易见。
2. Already the strains in his relationship were becoming evident.
   他的关系已经变得显而易见的紧张了。