on (someone's) case

telling someone what to do or criticizing what they do.

You're always on my case about my smoking.

Usage notes: often used with get: Perry had been drinking a lot lately, and Beth started to get on his case.

Related vocabulary: on your back, get after someone

• have ... strings to your bow
• have taken leave of senses
• have taken leave of your senses
• have taped
• have tasted blood
• have teeth
• have the bit between teeth
• have the bit between your teeth
• have the brass
• have the brass neck
• have the brass neck to do something
• have the brass to do something
• have the cares of the world on shoulders
• have the cares of the world on your shoulders
• have the courage of convictions
• have the courage of its convictions
• have the courage of your convictions
• have the devil's own job
• have the devil's own job doing something
• have the devil's own job to do something
• have the devil's own luck
• have the ear of
• have the ear of someone
• have the edge on
• have the edge on someone