0 something that seems very good when it is first received, but in fact does great harm to the person who receives it: --
The leadership of the party turned out to be a poisoned chalice.
1 something that seems very good when it is received, but that in fact may be harmful to the person who receives it: --
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.