be as clear as day 有目共睹

“有目共睹”，汉语成语，形容人人都可以看到，极其明显。可以翻译为“be perfectly obvious或be obvious to all”，也可以用英文习语“be as clear as day”表示。

例句：

他在撒谎，这是有目共睹的。

It was obvious to everyone that he was lying.