(literary) as long as, while / (literary) until, till, before (used with nie)

(colloquial, idiomatic, proscribed) as of yet, for the time being

(idiomatic) strike while the iron is hot (usually in the imperative)

(idiomatic) don't count your chickens before they're hatched

(idiomatic) the pitcher goes so often to the well that it is broken at last