In vain
shav' (shawv)
evil (as destructive), literally (ruin) or morally (especially guile); figuratively idolatry (as false, subjective), uselessness (as deceptive, objective; also adverbially, in vain) -- false(-ly), lie, lying, vain, vanity.
have I smitten
nakah (naw-kaw')
to strike (lightly or severely, literally or figuratively)
your children
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.
they received
laqach (law-kakh')
to take (in the widest variety of applications)
no correction
muwcar (moo-sawr')
chastisement; figuratively, reproof, warning or instruction; also restraint -- bond, chastening (-eth), chastisement, check, correction, discipline, doctrine, instruction, rebuke.
your own sword
chereb (kheh'-reb)
drought; also a cutting instrument (from its destructive effect), as a knife, sword, or other sharp implement -- axe, dagger, knife, mattock, sword, tool.
hath devoured
'akal (aw-kal')
to eat -- at all, burn up, consume, devour(-er, up), dine, eat(-er, up), feed (with), food, freely, in...wise(-deed, plenty), (lay) meat, quite.
your prophets
nabiy' (naw-bee')
a prophet or (generally) inspired man -- prophecy, that prophesy, prophet.
like a destroying
shachath (shaw-khath')
to decay, i.e. (causatively) ruin -- batter, cast off, corrupt(-er, thing), destroy(-er, -uction), lose, mar, perish, spill, spoiler, utterly, waste(-r).
lion
'ariy (ar-ee')
a lion -- (young) lion, + pierce (from the margin).