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。
• Weeds always crop up in the fields.
  地里总是长出杂草来。
• 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？
• 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。
• 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。
• In any job, difficult situations will crop up.
  任何工作都会有突然出现的问题。
• 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。
• Misprints often crop up in the papers.
  报上常出现印刷错误。
• 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。