ha esik, ha fúj

Hungarian

Literally, “[even] if it rains, [or] if it [the wind] blows”. From ha (“whether”) +‎ esik (“it rains”) +‎ ha (“whether”) +‎ fúj (“it blows”).

(idiomatic) rain or shine, hell or high water, no matter what (regardless of what the circumstances are, and how the weather is)