flunk biology生物学不及格
flunk in考试不及格
flunk k考试不及格
flunk rate不及格率
flunk flQNk通不过
flunk out被当掉;退学;因不及格而退学;翻译
to flunk刷掉学生
Flunk -失败
to flunk a test考得很惨
V-T（及物动词） If you flunk an exam or a course, you fail to reach the required standard. 未通过 (考试或课程) [美国英语][非正式]
Your son is upset because he flunked a history exam.
你儿子很沮丧是因为他没通过历史考试。