to rear its (ugly) head
01
(of a problem or unpleasant situation) to appear or become noticeable often unexpectedly
![to [rear|raise] its (ugly|) head definition and meaning](https://cdn.langeek.co/photo/46625/original/?type=jpeg "to [rear|raise] its (ugly|) head definition and meaning")
非難的
慣用句
くだけた
例
The old problem reared its ugly head during the final stage of the project.
(of a problem or unpleasant situation) to appear or become noticeable often unexpectedly
