劍橋詞典?before you can/could say Jack Robinson used to refer to something being done or happening very quickly 突然間，一眨眼工夫；說時遲那時快 I put the dish of food on the floor , and before you could say Jack Robinson, the dog had eaten it. 我剛把那盤食物放在地上，狗一下子就吃掉了。 返回 Jack Robinson