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1 trial and error
genom erfarenhet, genom att pröva sig fram* * *(the trying of various methods, alternatives etc until the right one happens to appear or be found: They didn't know how to put in a central-heating system, but they managed it by trial and error.) [] pröva sig fram -
2 feel one's way
treva sig fram, pröva sig fram; känna sig för (metaforiskt)* * *(to find one's way by feeling: I had to feel my way to the door in the dark.)