a spanner ( or N. Amer. monkey wrench) in the works
a person or thing that prevents the successful implementation of a plan.
→ spanner
a spanner ( or N. Amer. monkey wrench) in the works
a person or thing that prevents the successful implementation of a plan.
→ spanner
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004