flunk

flunk
(informal, chiefly N. Amer.)(非正式,主北美)
verb
  1. [with obj.]fail to reach the required standard in (an examination, test, or course of study)
    通不过(考试、测验或课程);在(考试、测验或课程)中失败,不及格
    I flunked biology in the tenth grade.
    十年级时我生物不及格。
    [no obj.]I didn't flunk but I didn't do too well.
    我没有不及格,但考得不太好。
    ■judge (an examination candidate) to have failed to reach the required standard
    让(考生)不及格,使(考生)落选
    ■[no obj.](flunk out)(of a student) leave or be dismissed from school or college as a result of failing to reach the required standard
    (学生因不及格)退学;被开除
    he had flunked out of college.
    他从大学退学了。
语源
  1. early 19th cent. (in the general sense 'back down, fail utterly'; originally US): perhaps related to funk or to US flink 'be a coward', perhaps a variant of flinch
英语宝典
考试词汇表