high and low
1
all around or in many places
- She searched high and low for her missing keys, but couldn't find them anywhere.
- The team looked high and low for a solution to the technical problem.
- They traveled high and low across the country to gather data for their research.
- He searched high and low in the attic for the old family photographs.
- The detectives searched high and low for clues to solve the mysterious case.