luck in a bag

例句：

1. 1. I'm really lucky to have found that job offer.
   我非常幸运找到了那份工作。
2. 2. She was so lucky to escape the accident unharmed.
   她非常幸运地从那场事故中幸免于难。
3. 3. It's said that luck can sometimes be in a bag, but it's not always true.
   据说运气有时会在袋子里，但并不总是这样。