例句：
Bad luck, Helen, you played very well.
海伦，你的表演非常好，只是运气欠佳。
You're in luck. The doctor's still in.
你运气不错，医生还在。
They should win, given a modicum of luck.
只要有一点点运气，他们就会赢。
A little luck wouldn't go amiss right now!
此刻若交点好运就好了。
With a bit of luck , we'll finish on time.
如果我们运气好，就能够准时完成。