劍橋詞典anything whose name you cannot remember or do not know （不記得或叫不出名字的）東西，玩意兒 Do you have the doodah, you know , the thing you attach to the end of this? 你有那種東西嗎，就是固定在這個後麪的那種東西？ 習語all of a doodah 返回 doodah