adv.幸运地；幸亏
Fortunately he survived the traffic accident. 他很幸运地在车祸之后还能活着。
Fortunately, the storm only did minimal damage. 很幸运,暴风雨造成的破坏不大。
All we need say is that fortunately we did not listen to him. 我们需要说的只是幸亏我们没有听他的话。
I thought his mother had died, but fortunately I met someone who'd actually seen her that morning in the hospital and he set me right before I sent off my letter of sympathy. 我以为他母亲已去世，幸亏在我寄出吊唁信之前，我碰到了一个那天上午还在医院里见过她母亲的人，他使我避免了这场误会。
fortunately的意思是“幸运地,幸亏”,常用来修饰整个句子; 一般置于句首或句尾。
adv.不幸地；遗憾地
