have/keep half an eye on

idiom

: to be only partly paying attention to : to look at occasionally
He had/kept half an eye on the TV while he read the paper.

Examples of have/keep half an eye on in a Sentence

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Whoever challenges for the Democrat nomination will have half an eye on the national battle, where the economy, security and national pride are likely to outweigh liberal issues. William Lambers, Newsweek, 9 Mar. 2025

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“Have/keep half an eye on.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/have%2Fkeep%20half%20an%20eye%20on. Accessed 12 Mar. 2025.

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