acosar

v. accost, waylay; harass, annoy; besiege, beset

= plague, press upon, bait, besiege, harass, bully, dog, persecute, hound, nag (at), pelt, pressurise [pressurize, -USA], importune, pester.
Ex: Title indexes have always been plagued by the absence of terminology control.
Ex: For example, the latter are unlikely to engage themselves in conservation issues as these now press upon the professional consciousness of librarians.
Ex: I guess Ms Lipow should be admired for coming into the lion's den and baiting it, but I find some of her arguments facile and superficial.
Ex: Concurrently, libraries are besieged with greater demands from the academic community for access to and instruction in electronic information resources such as the Internet.
Ex: I have reason to believe that my boss, the head of reference, has been sexually harassing me.
Ex: The director returned to his paperwork, nothing in his heart but hot shame at having permitted himself to be bullied into submission by this disagreeable public official.
Ex: The title of the article is 'Sweeping away the problems that dog the industry?'.
Ex: Why does the ALA ignore, deny or cover up the actions of the only government in the world which persecutes people for the alleged crime of opening uncensored libraries?.
Ex: Jefferson, like Clinton, was hounded by reports of adultery and cowardice in wartime.
Ex: This a book that I had admired but that had nagged at me for years.
Ex: Every day, Internet users are pelted with spam, hoaxes, urban legends, and scams - in other words, untrustworthy data.
Ex: Shearer also made an arse of himself by perpetuating the myth of the noble English sportsman who never dives or pressurises referees.
Ex: He was a shiftless, good-for-nothing man and his shrewish wife was constantly importuning him.
Ex: And there are those whom I have pestered from time to time over the past four years, and who have patiently answered my importunity.
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* problema + acosar = problem + dog.