Cut class!

Idiom: "(to) cut class"

Definition:

to miss class without an excuse

Examples:

1) If you always cut class, then the teacher is going to fail you.

2) All my friends cut class yesterday to see a movie.

中文解释：http://www.youzienglish.com/main/idiom_of_the_day/to_cut_class/cn/

[面朝大海春暖花开]

Very good blog for english learner. Thank you!