the handwriting on the wall
idiomPart ofhandwriting
the handwriting on the wall — idiom
1. A clear sign that something bad or difficult is going to happen soon.
1.idiom
Definition
A clear sign that something bad or difficult is going to happen soon.
Example
When sales dropped sharply, the manager saw the handwriting on the wall.
Didn't you notice the handwriting on the wall before the company failed?