Sentence examples for and are on the edge of from inspiring English sources

The phrase "and are on the edge of" is correct and usable in written English.
It can be used to describe a situation where someone or something is close to a particular state or condition, often implying a sense of urgency or impending change.
Example: "The team is working hard on the project, and are on the edge of a breakthrough that could change everything."
Alternatives: "and are nearing" or "and are close to".