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general::
Phrase(s): rivet one’s gaze on someone or something [and] rivet one’s glare on someone or something
Fig. to fasten one’s gaze onto someone or something. (As if it were attached by rivets.) • He riveted his gaze on the surly young man. • Walter riveted his hateful glare on the last page of the contract and sneered.
McGrawhill's American Idioms And Phrasal Verbs