不幸的副詞英語怎么表達？

　　Some people unluckily achieve suicide when they only meant to attempt it.

　　一些人只是想嘗試一下自殺，但卻不幸真的身亡了。

　　Unluckily. some rocks came down after us.

　　不幸的是，一些石頭落在我們后面。

　　Unluckily, these body clocks do not always work according to school timetables ．

　　可惜，生物鐘并不總會按照學校的時間表運作。

　　Unluckily, some people do want to give the president trouble, or even hurt him.

　　不幸的是,有些人確實想給總統添麻煩,甚至傷害他。

　　He was injured in the first game and unluckily missed the final.

　　他第一場比賽就受了傷，遺憾地未能參加決賽。