crop up
US /krɑːp ʌp/
UK /krɑːp ʌp/
1.
出现, 发生, 冒出
appear, happen, or come to attention unexpectedly
:
•
Problems always seem to crop up when you least expect them.
问题总是在你最不经意的时候出现。
•
A few interesting points cropped up during the discussion.
讨论中出现了一些有趣的观点。