ungratefulness

n.

忘恩负义；

'Rewarded by the Deepest Ungratefulness’: Patients’ Complaints and Directorial Enquiries in the Brussels Public Hospitals, 1870-1930
Indignidade e ingratidão e suas consequências no Direito de Família = Unworthiness and ungratefulness and their consequences in F...
Opinion - Gift, ungratefulness and management. Suicide and desengagement at work
Comment on the Idea of Seneca's "Favor"and "Ungratefulness"
A Comparative Study of Li Yiˊs and Zhang ShengˊUngratefulness in Tang DynastyˊLegend
Herbert’s Ungratefulness
Ignorance leads to ungratefulness.(Loos Tales)(pollution caused by dairies)
Virtue Called Ungratefulness : a Reading of Sidney's Astrophil and Stella and other Renaissance Texts
Love Known: Theology and Experience in George Herbert's Poetry. By Richard Strier
Configuring Herbert's "Christmas"