hound someone—(also: dog someone)
1. make smb. the victim of continual persecution:
- Club owners were afraid to hire a comedian who was hounded by police.
2. annoy or harass a person persistently:
- A year later, he is still hounding me to pay, and still refuses to cover the cost of repairs for the damages he made.
hound someone down—
1. search for or pursue a person, especially for arrest or punishment:
- A price was put on his head, and he was hounded down throughout the war.
2. track down and finally find a person, especially for arrest or punishment:
- In fleeing for safety they were eventually hounded down to the Cave of the Lakes.