'Some' (nie, mowimy... A FEW days ago two friends quickly packed a picnic, jumped into the car and set out for the hill. The weather was bad and it was 'heavily raining' (RAINING HEAVILY. When they were in muddy hill 'it' (ale co?) 'was' (niepotr) slipped down towards THE lake.
They called for 'security' (chyba nie - czy masz na mysli - services np. ambulance, fire service).
THE men saved THE two friends. Fortunately, they survived the accident. (przeczytaj te 2 zdania...jak ktos jest 'saved', to rozumiemy ze musial przezyc - 'survived')