arruinarla

v. ruin, destroy, demolish; spoil, break; murder; bankrupt; mess up

= play + havoc with, ruin, scupper, bankrupt, cast + a blight on, put + Nombre + out of business, go out + the window, bring + ruin to, mangle, wreck, fudge, create + havoc, run down.
Ex: To treat these reports differently only because some are serial and the others are monographic in form is to play havoc with the integrity of the catalog and to confound its users.
Ex: Besides, winding up in an exclusive arrangement with a distributor that has rotten customer service ruins any advantage.
Ex: This arrangement could definitely help solve the librarian's problems, unless unexpected events scupper it.
Ex: As a writer on the publishing of scholarly books in the USA once put it, 'A book that would bankrupt a scholarly publisher does not fall within the proper domain of scholarly publishing'.
Ex: Rampant commercialisation of publishing is casting a blight on literature.
Ex: The author discusses whether it is possible for the scholarly community to take over scholarly publishing altogether and put greedy publishers out of business.
Ex: The lack of centralisation means that good management goes out the window and everything gets sloppier.
Ex: He was portrayed as a warmonger who had brought ruin to the state.
Ex: In places the waters had swept container lorries loaded with goods yards off the road where they now lay twisted and mangled and almost unrecognizable as vehicles.
Ex: They had made a secret deal with Otto Reich to wreck Cuba's economy.
Ex: This adaptation of David Leavitt's novel wobbles between comedy and melodrama, ultimately fudging the novel's spiky empathy.
Ex: Power-hungry politicians are creating havoc everywhere.
Ex: It really is time we stopped kow-towing to every Tom, Dick and Harry who runs down our industry.
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* arruinarlo = crap it up.
* arruinar los planes de Alguien = spike + Posesivo + guns.
* arruinarse = go + bankrupt, go + broke, go to + rack and ruin.