One day, an old Japanese was unhappy because his sparrow flew away.

一天，一位日本老人很不高兴，因为他的麻雀飞走了。

youdao

That's quite a lot of unhappy people at work every day.

在工作中，每天都有很多不开心的人。

youdao

I thought I would be unhappy all day and things would not go well.

VOA: special.2009.05.03

Bolton's unhappy day was summed up when Joey O'Brien became the seventh Wanderers' player to go in referee Graham Poll's book, meaning the club will be fined.

BBC: SPORT | Football | Premiership | Fulham 2-1 Bolton

It was also an unhappy red-letter day for Nathan Hines, the lock winning his 50th cap but earning an early sin-binning for a swipe at Wales full-back Lee Byrne.

BBC: Fear drives Wales team forward

Breaking stones by the road in sullen drudgery for two dollars a day, they are an unhappy contrast with the gaily-clad Bhutanese.

ECONOMIST: Bhutan's mock election