Luckily , that attack was a failure .

幸运的是此次袭击以失败告终。

Luckily , history is a very interesting subject .

幸好，历史是一门非常有趣的学科。

Luckily , I quickly adapted everything was back on track in no time .

所幸，我很快适应了，不久一切都走上了正轨。

Luckily , science has a foolproof solution .

幸亏，科学界有了万无一失的解决方案。

Luckily her family members were all fine . But she lost her school and house .

虽然她和她的家人都幸运地平安无事，但她却失去了她的学校和她的房子。