0 past simple and past participle of forewarn --
1 to tell someone that something unpleasant is going to happen: --
[ + (that) ] The employees had been forewarned (that) the end-of-year financial results would be poor.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.