我没有察觉到原来他那时非常不开心。

I didn't realize but he was deeply unhappy at that time.

《牛津词典》

原来开始那时的暧昧，只是偶然寂寞而已。

Originally started at that time the ambiguous, just now and then lonely just.

youdao

在那时我才发现，原来幸福也可以这样简单。

Then I discovered that the original happiness can be that simple.

youdao

就在那时，我才开始意识到：原来他的这些词都是从我那学的。

At that moment it dawned on me... He's getting this stuff from me.

youdao

就在那时，我才开始意识到：原来他的这些词都是从我那学的。

I can't think of one thing he did right the first time.

youdao

就在那时，我才开始意识到：原来他的这些词都是从我那学的。

I can't think of one thing he did right the first time.

youdao