best thing since sliced bread片語KK [bɛst θɪŋ sɪns slaɪst brɛd] /bɛst θɪŋ sɪns slaɪst bɹɛd/發音片語1絕妙的東西、了不起的發明、最棒的東西口語He thinks his new coffee machine is the best thing since sliced bread.他覺得他那台新咖啡機是世上最棒的東西。2天下第一、蓋世無雙口語,常帶戲謔She acts like her diet app is the best thing since sliced bread.她把自己那個減肥程式說得天下第一。