happen upon

1. This may not happen if you can absolutely guarantee that the business data you choose for correlating upon will be unique for all time ( not just for active instances).
   如果您可以绝对保证您选择关联的业务数据始终是惟一的（而不只是对于活动实例是惟一的），就不会出现这种情况。
2. No switchover will happen upon execution of this command; it will just bring down the running broker.
   执行这个命令时不会发生切换，只会停止正在运行的代理。
3. You can think of a long-running process as a workflow process; it may wait for an external event to happen, or call upon one or more people to perform a task.
   您可以将长时间运行的流程视为工作流流程；它可能会等待外部事件发生，或呼叫一个或多个人员执行任务。
4. There you are, clicking through your friend's Facebook album, when suddenly you happen upon a picture of yourself or rather, a slightly less attractive version of yourself.
   你正在脸书上翻阅朋友的相册，突然看到一张照片中有你自己而且还是不太好看的自己。
5. Pursue your own interests, find friends you actually like and not just those you happen upon every day.
   追求你自己的兴趣，寻找你真心喜欢的朋友－而不是那些你每天偶然发现的那些人。
6. Hutton, who won the gold figurine for his role in Ordinary People, was apparently having a party a number of years ago. His sister popped the Oscar in the fridge alongside the beers so that guests would happen upon it en route to refreshment.
   在数年前的一次聚会中，他的姐姐突然从冰箱里拿出小金人，和啤酒一起随机放在某处，使宾客们能够碰巧在路上拿到它，从而提提神。
7. If you happen upon an answer to your question, patent it ( and legally defend your patent); you will make a fortune.
   关于这个问题，如果你找到答案，别忘了申请专利并用法律保护它，你会大赚一笔。
8. We all need it, for faith is the belief that when bad things happen, they will turn out, with blessings bestowed upon them that only God can give.
   我们都需要信心，因为信心是相信坏事会变成福气，是只有神能赐下的福气。
9. These changes did not happen overnight. They've come upon us gradually over the last generation, years that were filled with shocks and tragedy.
   这些改变不是在一夜间发生的，他们已经慢慢成为我们的甚至后代的负担，多年后就会充满冲突和灾难。
10. I happen to know these details because last week I stumbled upon Exec Tweets, a collection of about 100 executives who like to express themselves in chunks of up to 140 characters on Twitter.
    我碰巧知道这些细节，是因为上周我偶然发现了ExecTweets，上面收集了大约100名高管的tweet信息，他们喜欢在Twitter上用不超过140个字符来展示自己。
11. Behind all events that happen upon Earth, there are higher Beings standing by to ensure that they do not get out of hand.
    在所有发生在地球之上的事情背后，都有着更高的存有们站在左右确保一切不脱离控制。
12. If something should happen to her, please ring me up at once. He had to fasten it upon something.
    万一她有个好歹，请立刻打电话给我。他好歹总得去找个原因吧。
13. Just as your lover's caress brings you to orgasm, your eyes happen to fall upon a shoe.
    正当情人的爱抚使你进入高潮的时候，你的目光恰巧落在了鞋子上。
14. If you happen to stumble upon one, feel free to contact me or leave a note on the comments section.
    如果你碰巧发现了什么问题，欢迎联系我或者在评论栏留言。

verb

1. find unexpectedly
   1. the archeologists chanced upon an old tomb
   2. she struck a goldmine
   3. The hikers finally struck the main path to the lake

   Synonym:    fall uponstrikecome uponlight uponchance uponcome acrosschance onattaindiscover