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

• 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。
• 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。
• New problems crop up after old ones are resolved.
  旧的问题解决了，新的问题又产生了。
• Meanwhile, the operating system has seen new rivals crop up.
  同时，这个系统出现了新的竞争者。
• Problems will always crop up during the reform process, and adjustments will be made to solve them.
  改革总会出现一些问题，有了问题就要进行调整。
• 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。
• 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。
• It'll be rough if several matters crop up at the same time.
  挤到一块儿就难办了。
• The Autumn Report also touched upon the serious economic problems that would crop up.
  秋季报告也没有回避可能出现的严重经济问题。
• 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。