当男人们显露出偏爱她妹妹的时候，她很不高兴。

It upset her when men revealed a preference for her sister.

《柯林斯英汉双解大词典》

你怎么单在他不高兴的时候问他问题?

Why do you choose to ask him questions at a time when he is unhappy?

《新英汉大辞典》

列文出生在在丹佛，他对在他十四岁的时候父母把家搬到以色列的决定很不高兴。

Born in Denver, Lewin was deeply unhappy with his parents' decision to move the family to Israel when he was 14.

youdao

He wasn't happy when I asked him a question.

我询问他的时候，他看起来有点不高兴。

I'd better 实战 - SpeakingMax英语口语达人