She is hardened
qashach (kaw-shakh')
to be (causatively, make) unfeeling -- harden.
against her young ones
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
as though they were not
lo' (lo)
not (the simple or abs. negation); by implication, no; often used with other particles (as follows)
hers her labour
ygiya` (yeg-ee'-ah)
toil; hence, a work, produce, property (as the result of labor) -- labour, work.
is in vain
riyq (reek)
emptiness; figuratively, a worthless thing; adverbially, in vain -- empty, to no purpose, (in) vain (thing), vanity.
without fear
pachad (pakh'-ad)
a (sudden) alarm (properly, the object feared, by implication, the feeling) -- dread(-ful), fear, (thing) great (fear, -ly feared), terror.