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to meet (by chance); to come across; to run across; to encounter; to happen upon
to meet (e.g. of rivers, highways, etc.)
to emerge and engage (an enemy)
旅の途中で嵐に出遭ってしまった。
I ran into a storm during the trip.
予想外の困難に出遭うこともある。
Sometimes you encounter unexpected difficulties.
彼女とは大学時代に出遭った。
I met her during my university days.