crop up

英 [krɒp ʌp]

美 [krɑːp ʌp]

（常指出其不意地）出现，发生

柯林斯词典

• PHRASAL VERB (常指出其不意地)出现，发生
  If somethingcrops up, it appears or happens, usually unexpectedly.
  1. His name has cropped up at every selection meeting this season...
     他的名字突然出现在这一季所有选举会议上。
  2. Problems will crop up and hit you before you are ready.
     你还未准备好，问题就会突然出现并打击你。

英英释义

verb

• appear suddenly or unexpectedly
  1. The farm popped into view as we turned the corner
  2. He suddenly popped up out of nowhere
  Synonym:pop uppop

双语例句

• The researchers said the differences in performance crop up long before the tall people enter the job force.
  而研究人员称，这些差别早在他们开始工作前就显现出来了。
• Identifying potential obstacles ahead of time is a great way to be prepared when they crop up.
  提前设想潜在的障碍能够使你在困难真正出现的时候做好准备。
• It's silly to paper over the problem; it will only crop up again one day.
  把这个问题掩盖起来的作法是愚蠢的，总有一天还会暴露的。
• I can come now, unless any other problems crop up.
  我现在能来，除非又突然冒出什么别的问题。
• Meanwhile, the operating system has seen new rivals crop up.
  同时，这个系统出现了新的竞争者。
• Mistakes must be criticized and poisonous weeds fought wherever they crop up.
  有错误就得批判，有毒草就得进行斗争。
• Some of the best opportunities will crop up if you keep an open mind.
  如果你保持思想开放，会有一些非常好的机遇。
• As china changes, many problems are solved and new ones crop up.
  中国社会的变化，使得许多问题得到了解决，同时也产生了一些问题。
• And what happens when security issues do crop up in open source?
  当在开放源码中突然出现安全性问题时，会发生什么呢？
• In any job, difficult situations will crop up.
  任何工作都会有突然出现的问题。