to spell trouble
01
to indicate or suggest that a situation or action is likely to lead to problems
![to [spell] (trouble|danger) definition and meaning](https://cdn.langeek.co/photo/46503/original/?type=jpeg "to [spell] (trouble|danger) definition and meaning")
idiom
例
A sudden drop in sales could spell trouble for the company.
to indicate or suggest that a situation or action is likely to lead to problems
