English to English

verb (v)

• argue over petty things(verb.communication)

  Synonym:
  bicker, brabble, niggle, quibble, squabble
  

  source: wordnet30
• To do a petty business as a lawyer; also, to do law business in a petty or tricky way.(verb)

  source: webster1913
• To advocate like a pettifogger; to argue trickily; as, to pettifog a claim.(verb)

  source: webster1913