r by good fortune
adv. 幸运地, 幸亏, 侥幸
1. Luckily, I found my keys before I left the house.
幸运的是，我在离开家之前找到了我的钥匙。
2. Luckily, the weather was perfect for our picnic.
幸运的是，天气非常适合我们的野餐。
3. Luckily, she arrived just in time for the meeting.
幸运的是，她刚好及时赶到了会议。