Throw a wrench in the works Meaning in English
expression
Definition
To cause a problem or disruption that stops something from going as planned.
Usage & Nuances
This idiom is informal and often used when someone or something suddenly complicates a process. The word 'spanner' can replace 'wrench' in British English: 'throw a spanner in the works.' Common with situations where plans are unexpectedly disrupted.
Example Sentences
The storm threw a wrench in the works for our picnic plans.
basic
If you forget your passport, it will throw a wrench in the works for the trip.
basic
The computer error threw a wrench in the works during the presentation.
basic
Everything was going smoothly until her sudden decision threw a wrench in the works.
natural
We had backup plans ready in case anything threw a wrench in the works.
natural
Don’t let small problems throw a wrench in the works—just keep going.
natural