a fact, a remark or an event that settles an argument, a decision or a competition 起决定性作用的事实(或话语、事情) There was a lot of circumstantial evidence but they still needed a clincher, something cast iron that would carry a conviction. 有很多间接证据,但他们仍然需要一个决定性的东西,一个可以定罪的铸铁东西。 Sixsmith scored the clincher (= the winning goal) after 81 minutes. 81 分钟后,西克史密斯得了决定胜负的一分。