If you open that door, unhappiness will come upon you. Yes, I will keep in mind.

不然你会不幸的。小女孩答应我记住了。

It is certain, therefore, that my sister was quite alone when she met her end.

因此，可以肯定我姐姐不幸的时候，只有一个人房间里。

Dozens of people were injured and the authorities have canceled the event since on safety grounds.

但不幸强硬的民族主义者的袭击，致多人受伤。安全起见，政府取消了此活动。

And a Japanese man died in Australia Monday after a shark attacked him while he was surfing.

周一，一名日本冲浪者澳大利亚冲浪时鲨鱼攻击，不幸身亡。

We have two 15-year-old high school students that have been killed just showing up to go to school, and how tragic that is.

两名15岁高中生正准备上课时枪杀，太不幸了。