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Phrase(s): glaze over
1. Lit. [for something] to be covered over with a coat of something cloudy or ice. • The roads glazed over and became very dangerous. • The street is glazed over badly. 2. Fig. [for one’s eyes] to assume a dull, bored appearance, signifying an inability to concentrate or a lack of sleep. • My eyes glaze over when I hear all those statistics.
McGrawhill's American Idioms And Phrasal Verbs