The phrase "throws a monkey wrench in to" is commonly used to describe an unexpected obstacle that disrupts a plan. The word "wrench" is spelled /rɛntʃ/ in IPA phonetic transcription, with the "wr" letters being silent. This spelling may look strange to some, but it is based on the word's origin in Old English where the "wr" combination was pronounced differently. Despite its unconventional spelling, "monkey wrench" has become a common phrase in English and is understood by many native speakers.
"Throws a monkey wrench into" is a colloquial expression that originated in the United States, often used figuratively to refer to an action or event that disrupts or hinders the progress of something, creating problems, complications, or delays. This phrase is typically employed to describe a sudden and unexpected obstacle that interferes with a plan, process, or system, causing it to become ineffective or dysfunctional.
The term "monkey wrench" refers to a type of wrench with an adjustable jaw, also known as an adjustable spanner. This tool was commonly used by mechanics to tighten or loosen nuts and bolts. The phrase symbolically represents the unexpected introduction of an obstacle that disrupts the smooth operation of a mechanism, much like how a literal monkey wrench inserted into machinery would cause it to malfunction.
When someone or something "throws a monkey wrench into" a situation, it means they introduce a complication or problem that obstructs the intended outcome or progress. This can lead to frustration, confusion, or the need to reevaluate and modify the original plan. The figurative usage of this expression often emphasizes the disruptive or unexpected nature of the complication, implying that it is not easily managed or resolved.
Overall, "throws a monkey wrench into" refers to an action or event that hampers or stops the smooth progression of a process, leading to complications or delays.