0 to be officially weighed before competing in a sport, especially boxing or horse racing: --
1 to become involved in an argument or discussion in a forceful way: --
Several leading architects weighed in with criticisms regarding the design of the new museum.
2 to give an opinion or enter a discussion or argument: --
The senator weighed in with a blistering attack on welfare cheats.
3 to measure how heavy someone is, esp. before a competition: --
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.