obdurate

adj.

顽固的；执拗的；麻木不仁的；冷酷无情的

1. He is obdurate in his convictions.
   他执着于自己所坚信的事。
2. He remained obdurate, refusing to alter his decision.
   他依然固执己见
3. The child's misery would move even the most obdurate heart.
   这个孩子所受的苦难会打动世界上最冷酷的心。

The obdurate persistence of rationalism
Obdurate pains, transient intensities: affect and the chronically pained body
Intestinal transport of an obdurate anion: oxalate.
Changing Obdurate Urban Objects: the attempts to reconstruct the highway through Maastricht
Smoking, disease, and obdurate denial: The Australian tobacco industry in the 1980s
Dysphagia, vomiting and obdurate constipation as a metabolic manifestation of malignancy
Care as Regulated and Care in the Obdurate World of Intimate Relations: Foster Care Divided?
MYANMAR IN 2007: Growing Pressure for Change but the Regime Remains Obdurate
Postmodernism and linguistic reality versus symbolic interactionism and obdurate reality
Biodiversity Conservation and Protected Areas in China: Science, Law, and the Obdurate Party-State