idioms using “case”

Make one’s case

To lay out one’s argument

“Apparently Ito-san didn’t make her case for additional staff well enough; her boss denied her request.”

A head case

A person that drives one crazy

“The new night manager is a real head case; he sings non-stop for his entire eight-hour shift.”

On someone’s case

Criticize someone

“The plant supervisor has been on Ando-san’s case for months for smoking on the job.”

On the case

To be assigned to something

“Now that Ichiro-san is finally on the case, we should see results within the month.”

A case study

A person who is a perfect example of something

“Onishi-san is a case study in procrastination; he has never started anything on time.”