τεκνια noun - vocative plural neuter
teknion  tek-nee'-on: an infant, i.e. (plural figuratively) darlings (Christian converts) -- little children.;
φυλαξατε verb - aorist active middle - second person
phulasso  foo-las'-so: to watch, i.e. be on guard (literally of figuratively); by implication, to preserve, obey, avoid -- beward, keep (self), observe, save.
εαυτα reflexive pronoun - third person accusative plural neuter
heautou  heh-ow-too': him-(her-, it-, them-, also (in conjunction with the personal pronoun of the other persons) my-, thy-, our-, your-) self (selves), etc.
apo  apo': off, i.e. away (from something near), in various senses (of place, time, or relation; literal or figurative)
των definite article - genitive plural neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
ειδωλων noun - genitive plural neuter
eidolon  i'-do-lon: an image (i.e. for worship); by implication, a heathen god, or (plural) the worship of such -- idol.
αμην hebrew transliterated word
amen  am-ane': firm, i.e. (figuratively) trustworthy; adverbially, surely (often as interjection, so be it) -- amen, verily.