to go down the tube
01
to experience a significant decline, failure, or deterioration in a situation, project, or endeavor
![to [go] down the [tube] definition and meaning](https://cdn.langeek.co/photo/40765/original/?type=jpeg "to [go] down the [tube] definition and meaning")
Disapproving
Idiom
例子
After investing all their savings in the stock market, they watched as their portfolio went down the tube.
The artist's career was on the rise, but after a series of bad reviews and cancelled shows, it went down the tubes.
