A sudden shortage of parts had thrown a monkey wrench in the works of the factory's production schedule.

Her unexpected resignation was throwing a monkey wrench in the works, forcing the team to rewrite the project timeline.

A sudden change in regulations throws a monkey wrench in the works of our expansion plan.

When the supplier suddenly increased prices, it threw a monkey wrench in the works of our production schedule.

The sudden budget cuts could throw a monkey wrench in the works of our expansion plans.

South American squirrel monkeys swung nimbly between the branches as researchers observed their social behavior.

The mechanic requested two left-handed monkey wrenches for the antique bicycle restoration.

He sent me to buy a left-handed monkey wrench, and I only realized later he'd been sending me on a fool's errand.

When he suggested I might move to Antarctica next year, I laughed and said monkeys might fly out of my butt.