There is a looker-on who sits behind my eyes. It seems he has seen things in ages and worlds beyond memory's shore.

我的双眸背后，有一个旁观者，他仿佛见过很久以前的事物，见过越过记忆海岸的世界。

youdao

I have seen things break, stop working or fall apart.

我看到过东西破裂、不能使用或者散架了。

youdao

Several times in my life I've seen things that I couldn't explain.

在我人生中，曾经有数次，我看到了些令我难以解释的事物。

youdao

"It has been a tour where we have seen things changed,".

VOA: standard.2009.10.12

It appears to be useful in that way but I imagine it does more compelling things these days but I have not seen it myself.

那样看起来仿佛比较有效果,但我想这些天它非常引人注目,只是我自己没看到而已。

哈佛公开课 - 计算机科学课程节选

And I've seen other similar things where commercial photography, photo journalism and all that stuff is up there,

我也见过很多商业摄影师，记者摄影师，等等，都是

问摄影家 - SpeakingMax英语口语达人

And overall, he seen - we're seen things, like he's the largest online fundraising day.

NPR: 'iPhone' Tops Google Zeitgeist List

But the authors nevertheless argue that they have never seen things this bad.

ECONOMIST: Lexington

Alan Mulally, chief executive of Boeing's commercial aeroplane business, says he has never seen things so bad in his 33 years in the business.

ECONOMIST: Airbus and Boeing