chase a rainbow(redirected from they have chased a rainbow)
chase a rainbow
To pursue some goal or accomplishment that is utterly unrealistic or unlikely to happen. I know you'd love to be an actress, but instead of chasing a rainbow for the rest of your life, why not to pick a stable career and start being an adult? It feels like the government is chasing a rainbow in its efforts to overhaul the tax legislation.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.