v.（因不及格）（使）退学

flunks out───退学

flunkout───n.考试不及格而被退学的学生

flunked out───退学

blank out───作废；取消

fink out───找出来

flush out───冲掉，排出；驱赶出来

luck out───走好运；逢凶化吉；侥幸成功

stunk out───晕过去。

flunking out───退学

If you don't keep on studying you'll flunk out.───如果你不一直念书，你就会留级。

If flunk out I can always transfer to Engineering.───一旦不合格,马上可以转工程专业.

If he doesn't find a solution to his problem soon, he'll surely flunk out of college.───如果他不能很快找到解决问题的办法，他肯定要被学院退学。

He didn't flunk out, but his record isn't so hot.