despairing       
adjective uk/dɪˈspeə.rɪŋ/ us/dɪˈsper.ɪŋ/
 绝望的;失去希望的
showing or feeling that there is no hope and that you can do nothing to improve a difficult or worrying situation
  a despairing glance/cry 绝望的眼神/哭声 
 With every day that passed he became ever more despairing. 随着时间一天天过去,他变得越来越绝望了。 
 See: despair
 - More examples
 - Her face was so despairing that it almost broke his heart.
 - The children's despairing family and the police continue to search for them.
 - In her most despairing moments, she wonders if anyone cares.