1 used as a friendly greeting and to ask someone how they are and what is happening: --
"'Sup, son?" - "Not much."
2 abbreviation for supplement (= a drink or substance given to patients in addition to food, for example because they need to gain weight) --
3 written abbreviation for supine (= lying face up) --
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.