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
unflexibel
(pridevnik)
sl tog,
rigiden,
okostenel,
nefleksibilen
en inflexible,
hidebound
hr krut
unwieldy
(pridevnik)
sl okoren,
neroden,
tog
de klobig,
schwerfällig,
steif,
starr
fr rigide
hr krut