We knew all along but didn't have the heart to tell her.

我们一直都知道，但是不忍心告诉她。

《柯林斯英汉双解大词典》

This can lead to the mistaken belief the knowledge we found was part of what we knew all along.

这可能导致我们错误地认为，我们发现的知识是我们一直以来所知的一部分。

youdao

But we knew all along that it wasn't really ours, so we took special care of everything.

但是，我们自始自终清楚明白这地方不是我们的，所以也特别小心处理每一样东西。

youdao

We actually misremember what we once thought, believing that we knew all along that what happened would happen.

CNN: Why FBI and CIA didn't connect the dots

"It took two years for FERC to confirm what we knew all along: there was widespread market manipulation and a massive rip-off of California ratepayers, " Davis said.

FORBES: Magazine Article

There was also some cynicism at the unveiling, with users writing "We knew all along" and "the line up has long been organised, but they still insist on so-called elections".

BBC: China confirms leadership change