0 to make something continue at its present level and not allow it to fall: --
1 to continue without stopping or changing, or to continue something without allowing it to stop or change: --
Keep up the good work!
2 to not allow something that is at a high level to fall to a lower level: --
We need to keep up the enthusiasm that we generated with the first advertising campaign.
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.