“失神的”的英语可以翻译为：glazy ...

他那失神的样子使我怀疑他是否在听.The vacancy of his expression made me doubt if he was listening.她以失神的眼睛凝视我.She stared at me with unseeing eyes.他那双失神的眼睛又明亮起来.His dull eyes brightened again....