fail1.不及物动词：失败,不及格；破产；缺乏；衰退（常见）eg.He failed to pass the exam.他考试不及格.2.及物动词：不及格、未通过；使失望；忘记；舍弃（不常见）——此时可直接跟宾语（名词）eg.He failed the t...