to jump the tracks
01
to unexpectedly switch from the planned path
例
The project seemed promising, but it jumped the rails when unexpected challenges arose.
The company's expansion plans jumped the rails due to unforeseen economic downturns.
02
(of a train) to accidentally leave the railroad
例
The old steam locomotive jumped the tracks during the historic reenactment, causing a brief pause in the festivities.
The intense storm and flooding caused several trains to jump the tracks, disrupting the railway schedule.



























