表達 「have the last laugh」 的意思是 「笑到最後，取得最後的勝利」，它用來描述 「當他人認為某人做某事會失敗時，此人卻獲得了成功」 的情況。
Everyone assumed John would come last in the race, but he had the last laugh when he finished first!
I had the last laugh when everyone mocked my old-fashioned shoes. It turned out they were the latest trend.
My friends said I was foolish to take an umbrella to the party. However, when we left it was pouring with rain, so I had the last laugh!