expertly, like an expert, with expertise

sloppily, clumsily, flimsily, shoddily, haphazardly, slackly, ineptly, artlessly, artfully, complexly, slickly, impersonally, unconvincingly, inexpertly, cleverly, incompetently, idiotically, lugubriously, inventively, beautifully, ingenuously, snappily, tackily, unintelligently, unprofessionally, distastefully, craftily, crudely, elaborately, sketchily, expertly, entertainingly, glossily, comprehensibly, cunningly, poorly, comically, hilariously, opaquely, unimaginatively, disjointedly, chaotically, expensively, trickily, masterfully, impeccably, brilliantly, excellently, drably, amusingly, wittily, sparely, wretchedly, readably, elegantly, atrociously, bombastically, esoterically, blackly, indifferently, diabolically, marvelously, primitively, witlessly, skilfully, tastelessly, charmingly, prettily, fussily, horridly, squeamishly, laboriously, intricately, sparsely, unreliably, skillfully, ungrammatically, skimpily, farcically, exquisitely, reprehensibly, funnily, gorgeously, meticulously, bizarrely, illogically, purposefully, tritely, pedantically, transcendently, hugger mugger, perfunctorily, melodramatically, hastily, unclearly, evilly, engagingly, superfluously, crisply, dully, finely, carelessly

like an amateur