Some people unluckily achieve suicide when they only meant to attempt it.
一些人只是想尝试一下自杀，但却不幸真的身亡了。
Unluckily. some rocks came down after us.
不幸的`是，一些石头落在我们后面。
Unluckily, these body clocks do not always work according to school timetables ．
可惜，生物钟并不总会按照学校的时间表运作。
Unluckily, some people do want to give the president trouble, or even hurt him.
不幸的是,有些人确实想给总统添麻烦,甚至伤害他。
He was injured in the first game and unluckily missed the final.
他第一场比赛就受了伤，遗憾地未能参加决赛。