复数：pratfalls
1.屁股着地的跌跤
2.倒霉;丢脸;可耻的失败
1.“prattfall”的变体
1.a fall backward into a sitting position, especially when it is done deliberately to make people laugh
2.an embarrassing failure or mistake
1.The variant of prattfall
pratfallspratfallspratfalls