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

• Weeds always crop up in the fields.
  地里总是长出杂草来。
• 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。
• Keep calm when problems crop up.
  遇事冷静。
• Meanwhile, the operating system has seen new rivals crop up.
  同时，这个系统出现了新的竞争者。
• When problems crop up in business, a sincere apology is essential to restoring that trust.
  商界一旦出现问题，真诚地道歉是恢复上述信任的关键。
• It'll be rough if several matters crop up at the same time.
  挤到一块儿就难办了。
• 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。
• New problems crop up after old ones are resolved.
  旧的问题解决了，新的问题又产生了。
• It had never occurred to her that a new possibility would crop up abruptly.
  她万万没有想到会突然出现一种新的可能性。
• 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？