οτι conjunction
hoti  hot'-ee: demonstrative, that (sometimes redundant); causative, because -- as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
νυν adverb
nun  noon: now (as adverb of date, a transition or emphasis); also as noun or adjective present or immediate
ζωμεν verb - present active indicative - first person
zao  dzah'-o: to live -- life(-time), (a-)live(-ly), quick.
εαν conditional
ean  eh-an': before, but, except, (and) if, (if) so, (what-, whither-)soever, though, when (-soever), whether (or), to whom, (who-)so(-ever).
υμεις personal pronoun - second person nominative plural
humeis  hoo-mice': you (as subjective of verb) -- ye (yourselves), you.
στηκετε verb - present active indicative - second person
steko  stay'-ko: to be stationary, i.e. (figuratively) to persevere -- stand (fast).
εν preposition
en  en: in, at, (up-)on, by, etc.
κυριω noun - dative singular masculine
kurios  koo'-ree-os: supreme in authority, i.e. (as noun) controller; by implication, Master (as a respectful title) -- God, Lord, master, Sir.