Cleaved

Find a productive hobby, and see if you can learn something.

找一个具有意义的爱好，看你能否从中学到什么。

A straw shows which way the wind blows.

一叶便知秋。

When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.

最近有个学生看见两个工人在学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面。