spanner
noun [ C ] UK uk/ˈspæn.ər/ us/ˈspæn.ɚ/ (US wrench)
扳手，扳子
a metal tool with a shaped end, used to turn nuts and bolts
an open-ended/adjustable/ring spanner 可调整／活动／梅花扳手
Idiom
put/throw a spanner in the worksidiom UK (US throw a (monkey) wrench in the works) 从中捣乱；破坏计划
to do something that prevents a plan or activity from succeeding
The funding for the project was withdrawn so that really threw a spanner in the works. 项目的资金被撤回，这真的打乱了计划。