luckily的形容词是什么

　　Luckily for us, the train was late.

　　我们真凑巧，火车晚点了。

　　The accident could have been much worse; luckily no harm was done.

　　这次事故本来可能糟糕得多；所幸没有造成伤害。

　　Luckily I was feeling in a good mood.

　　幸好我当时情绪好。

　　Luckily, a bush broke his fall.

　　幸亏有灌木接着，他摔得不重。