throw a wrench in the gears
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English[edit]
Alternative forms[edit]
Verb[edit]
throw a wrench in the gears (third-person singular simple present throws a wrench in the gears, present participle throwing a wrench in the gears, simple past threw a wrench in the gears, past participle thrown a wrench in the gears)
- (idiomatic, US) Synonym of throw a spanner in the works.