Her success was due in part to luck.
她的成功在某种程度上是由于运气好。
With a bit of luck, we'll finish on time.
如果我们运气好，就能够准时完成。
As luck would have it, the train was late.
不巧火车晚点了。
I could hardly believe my luck when he said yes.
听他说行，我几乎不敢相信自己会这么走运。
You're in luck ─ there's one ticket left.
你运气不错——还剩一张票。