prat.fall
n.(名词)A fall on the buttocks.坐跌:屁股着地的跌倒A humiliating error, failure, or defeat:丢脸的错误、失误或失败:例句:.His characters not only survive their snarled problems and pratfalls but learn from their experiences.(Joyce Carol Oates).他不但在他们复杂的问题及可答的失误中保持自身的名誉而且还从他们的经验中获益.(乔伊丝·卡罗尔·奥茨)