Iskani niz je bil najden v PREVODIH:
trd
(pridevnik)
en hard,
stiff,
flinty,
austere,
unbending,
ironbound,
uncompromising,
relentless,
intransigent,
unyielding,
inexorable,
unflinching,
tenacious,
adamant,
tough,
unrelenting,
determined,
persevering,
total,
complete,
pitch
de hart,
steif,
unnachgiebig
sq fortë
fr dur
hr tvrd,
krut,
uporan,
nepopustljiv