Spanner in the works Meaning in English
expression
Definition
A surprising problem or obstacle that causes plans or processes to fail or be delayed.
Usage & Nuances
Common in British English; American equivalent is 'monkey wrench in the works'. Used in informal or semi-formal settings to describe sudden disruptions. Often follows 'put a spanner in the works' to mean cause an unexpected problem.
Example Sentences
Everything was going well until a spanner in the works changed our plans.
basic
Her illness was a real spanner in the works for the trip.
basic
We almost finished the project when a spanner in the works caused a delay.
basic
We thought it would be easy, but bad weather really put a spanner in the works.
natural
The cancellation of the train threw a spanner in the works for our weekend plans.
natural
There's always someone ready to throw a spanner in the works when things are going smoothly.
natural