throw a wrench into the works
English
Verb
throw a wrench into the works (third-person singular simple present throws a wrench into the works, present participle throwing a wrench into the works, simple past threw a wrench into the works, past participle thrown a wrench into the works)
- Alternative form of throw a spanner in the works[1]
References
- https://www.merriam-webster.com/dictionary/throw%20a%20wrench%20into%20the%20works