A spanner is a metal tool whose end fits round a nut so that you can turn it to loosen or tighten it.
PHRASE
從中搗亂;橫加阻攔;攪局
If someone throws a spanner in the works, they prevent something happening smoothly in the way that it was planned, by causing a problem or difficulty.
例句
A bad result is sure to throw a spanner in the works.糟糕的成績肯定會壞事的。
英漢詞典釋義
n.
扳手, 扳鉗
Take your spanner, and tighten the nut.把你的扳手拿來, 把螺帽擰緊。
破壞計劃；阻撓進程；從中搗亂
Let’s get this finished before the boss comes along and throws a spanner in the works.我們把這個弄完吧，別等老板來了從中作梗。
英英詞典釋義
Noun
1. a hand tool that is used to hold or twist a nut or bolt