catflap.org Online Dictionary Query

  get (down) to work /ɡɛt dˌaʊn tə wˈɜːk/
  sich an die Arbeit machen
   see: make a start on sth., set about sth., set to sth., get to work on sth., get down to sth., get going on sth., embark on sth., making a start on, setting about, setting to, getting to work, getting down, getting going, embarking, made a start, set about, set to, got to work, got down, got going, embarked
  

  认真开始工作