hard in Polish
hard in Polish
mocny
(of drink or drugs) Strong.
twarda
(of water) High in dissolved chemical salts, especially those of calcium.
twardy
Resistant to pressure; difficult to break, cut, or penetrate.
ciężki
Demanding a lot of effort to endure.
twardy
Demanding a lot of effort to endure.
surowy
Severe, harsh, unfriendly, brutal.
trudny
Difficult or requiring a lot of effort to do, understand, experience, or deal with.
niepodważalny
Unquestionable; unequivocal.