1 to say that you did not mean something you said earlier or say that you have changed your opinion: --
[ + speech ] "All right," he backtracked, "It's possible that I was mistaken."
The officers were forced to backtrack on their statements.
She refused to backtrack from her criticisms of the proposal.
2 to go back the same way you came, or to consider information again: --
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.