Keep someone at bay
Meaning
Prevent someone from causing trouble.
Usage
Applied to threats, emotions, or problems.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Hunting dogs kept quarry at bay.
Appears in 18th century hunting manuals.