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

• 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。
• Misprints often crop up in the papers.
  报上常出现印刷错误。
• 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。
• 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。
• 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。
• 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。
• 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。
• Keep calm when problems crop up.
  遇事冷静。
• In fact, problems with the names used in international automobile promotions seem to crop up frequently.
  事实上，在国际性汽车销售活动中，经常出问题的就是品牌名称。
• Weeds always crop up in the fields.
  地里总是长出杂草来。