That one mistake seriously endangered the future of the company.

　　那一個失誤就嚴重地危及了公司的未來。

　　The government has been criticized for not taking the problem seriously.

　　政府因沒有認真對待這個問題而受到指責。

　　Seriously though, it could be really dangerous.

　　不過說實在的，這事說不好真的很危險。

　　It made a refreshing change to be taken seriously for once.

　　總算有一次受到認真對待，這變化真是令人耳目一新。

　　Why can't you ever take anything seriously?

　　你怎么對什么都不當回事呢？