a lucky guess

• 侥幸猜中, 碰上

a lucky guess的用法和样例：

例句

1. Mr. Knightley: Triumph? You made a lucky guess!
   成功?你只是猜个正着。
2. He didn't really know the answers. He just made a lucky guess.
   他并不知道答案，全是瞎蒙上的。
3. It was, but Cai Yong suspected that his daughter had just made a lucky guess.
   确实是那样,但是蔡勇认为他女儿只是侥幸猜对了。
4. Whew! That car was a lucky escape.
   嘿！那辆汽车真是幸免于难。
5. I seem to be having a lucky streak.
   我似乎现在正在走运。
6. considered himself lucky that the tornado missed his house; a lucky guess.
   龙卷风放过了他的房屋，他感到自己很幸运；幸运的猜中了。