mon·key wrench
noun/ˈmʌŋki rentʃ/
/ˈmʌŋki rentʃ/
(British English also adjustable spanner, North American English also adjustable wrench)
Idioms - a tool with a part that can be moved to hold and turn things of different widths
enlarge image活动扳手
Idioms
(throw) a (monkey) wrench in/into something (North American English)
(British English (throw) a spanner in the works)
- (to cause) a delay or problem with something that somebody is planning or doing
破坏，阻挠（计划）