go through hell and high water

go through hell and high water

BRITISH
If you go through hell and high water, you experience a lot of difficulties. We'd been through hell and high water together: births, marriages and deaths. Small countries such as Ireland had gone through hell and high water to meet these strict controls. Note: You can also say that someone does something through hell and high water to mean that they continue with it despite problems. Smith pursued his career through hell and high water. Compare with come hell or high water.
See also: and, hell, high, through, water