0 to cause someone to spend a lot of money or lose money: --
Buying that second-hand car without having it checked by a mechanic first cost us dear.
Later that year he attacked a photographer, an incident that cost him dear.
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.