forlornly       
adverb uk/fəˈlɔːn.li/ us/fɚˈlɔːrn.li/
 孤苦伶仃地,孤苦无依地
in a way that shows that you are alone and unhappy
  She sat forlornly looking out to sea. 她孤苦伶仃地坐着,望向大海。 
 He shook his head forlornly. 他怅然地摇了摇头。 
 See: forlorn
 - More examples
 - Passengers remain stuck at the border forlornly clutching their passports.
 - She stared forlornly into the Christmas window display.
 - The chair was lying forlornly on its side.