Weeds always crop up in the fields.

地里总是长出杂草来。

youdao

Similar problems may crop up in our future work.

在我们的工作中，今后还可能出现类似的问题。

youdao

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。

youdao

We've never been able to get that substantiated, but it does crop up in some of the commentaries.

VOA: standard.2010.08.11

But both crop up in a far weaker form than many observers would like.

BBC: Scientists urge Rio moves on population and consumption

Then it occurred to me how often age-related thought bubbles crop up in the business world.

FORBES: How to Give Four Generations Feedback

Chess continues to crop up in books and movies as a metaphor for life.

FORBES: Magazine Article