Question

throw a wrench in the works The funding was withdrawn, which has thrown a wrench in the works.

Accepted Answer

This idiom means to do something that prevents a plan or activity from succeeding.

Phrase/Idiom	throw a wrench in the works
Definition	This idiom means to do something that prevents a plan or activity from succeeding.
Example	The funding was withdrawn, which has thrown a wrench in the works.

Wrench Throw Works Idiom Means Prevents Plan Activity