Unhomogeneous

What do you do, if I may ask?

你不介意的话，能告诉我你是做什么工作的吗？

This river is one third as long as that river.

这条河只有那条河的三分之一长。

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。