luck的副词：luckily；luckilyadv. 幸好，侥幸；幸运地例句：Luckily, Id noticed where you left the car. 幸好，我注意了你停车的地点。

Luckily I was never stopped for a Breathalyzer. 幸运的是我从未被拦下来做呼气酒精检测。