1 luck:名词(不可数)运气, 好运, 幸运

You never know your luck.你也许会走运的。

2 lucky：形容词 幸运的, 吉祥的, 侥幸的

He is a lucky dog.他是个幸运的家伙。

3 Luckily:副词 幸运地,幸亏,侥幸

Luckily there was a doctor on the spot. 幸运的是现场有一位医生。

4.luckily是副词，“幸运地”，通常放在句首，表示“幸运的是....”.

短语：

Good luck to you ! 祝你好运！

bring good luck to 。。。给。。。带来好运

  义务教育英语课程标准五级词汇表(点击每一个单词，可直接链接到这个单词的用法.)

经典考题：

1. I got to the station late, but               the train was still there.

2.               ，failed the English exam this time .

3. He was so                  that he didn't catch the last train .

Keys:

1. luckily 2. Unluckily  3. unlucky