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fly by the seat of one's pants înseamnă în Franceză

EnglezăFranceză
fly by the seat of one's pants (to improvise a course of action)
verb

décider / agir / ... au doigt mouilléverbe

naviguer à vueverbe

fly by the seat of one's pants (to pilot an aircraft using only instinct, visual observation, and practical judgment)
verb

naviguer / piloter / ... à vueverbe