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。
• 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。
• Of course new problems will crop up and have to be tackled.
  当然也还有新问题，还需要继续解决。
• I put it upon myself to answer for anything that might crop up.
  我对任何可能发生的事情负责。
• 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。
• They are pressing forward with their work in spite of the difficulties that crop up from time to time.
  尽管不时发生困难，他们还是坚持工作。
• Weeds always crop up in the fields.
  地里总是长出杂草来。
• It's unclear how often this problem might crop up in other young children.
  目前不清楚这个现象出现在年轻孩童身上的频率为何。