Take up (analabete). Second aorist active imperative of analambanō, old word and used (analabōn) of “picking up” Mark in 2Ti 4:11.
That ye may be able to withstand (hina dunēthēte antistēnai). Final clause with hina and first aorist passive subjunctive of dunamai with antistēnai (second aorist active infinitive of anthistēmi, to stand face to face, against).
And having done all to stand (kai hapanta katergasa menoi stēnai). After the fight (wrestle) is over to stand (stēnai) as victor in the contest. Effective aorist here.