Throw a spanner in the works Meaning in English
expression
Definition
To cause a problem or difficulty that prevents something from happening smoothly or as planned.
Usage & Nuances
This is a mainly British idiom. In American English, 'throw a wrench in the works' is more common. Often used when an unexpected problem disrupts plans. Not formal; used in spoken and casual written English.
Example Sentences
The rain threw a spanner in the works for our picnic.
basic
If he cancels, it will throw a spanner in the works for the whole team.
basic
A last-minute problem threw a spanner in the works of our project.
basic
We were almost done until computer issues threw a spanner in the works.
natural
Unexpected costs threw a spanner in the works for our vacation plans.
natural
Everything was going smoothly until bad weather threw a spanner in the works.
natural