我没有察觉到你那么不开心。

I didn't realize you were so unhappy.

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.

别让他搞得你一晚上不开心。

Don't let him spoil your evening.

他在新老板的手下工作得很不开心。

He was chafing under the company's new ownership.

卡萝尔，出什么事了？你好像不开心。

Carole, what's the matter? You don't seem happy

事实明摆着，他就是不开心。

The bald truth is he's just not happy.

他看上去总是一副病恹恹、不开心的样子。

He went about looking ill and unhappy.

她表情严肃，看上去很不开心。

Her expression was grim and unpleasant.

有关他与那位女演员有关系的传闻使他很不开心。

The stories of his links with the actress had knocked the fun out of him