Nechtěli jste hledat:
tvrděhard, harshly, sternly, strictly
tvrdidlohardener
tvrditclaim, assert, contend, allege , declare
tvrditharden , make* harder, toughen
tvrdnoutharden, solidify, set*
tvrdnutíhardening, setting
tvrdohlavecmule, stubborn/obstinate/pig-headed person
tvrdohlavoststubbornness, obstinacy, pig-headedness
tvrdohlavýstubborn, obstinate, headstrong, pig-headed, self-willed
tvrdosthardness, firmness