harp on

phrasal verb

harped on; harping on; harps on

US, informal

: to talk about (a subject) constantly or repeatedly in an annoying way

She's always harping on the importance of a good diet.

He seems to enjoy harping on my shortcomings.

Examples of harp on in a Sentence

Recent Examples on the Web

In the past, after all, The Bachelor franchise has faced heavy criticism for failing its leads of color and engaging in problematic storylines that harp on racial stereotypes. —Li Zhou, Vox, 8 July 2024

Republicans have repeatedly harped on Biden's age, currently 81 years old to Trump's 78. —Jessie Balmert, The Enquirer, 28 June 2024

Expect Trump to harp on isolated cases of crimes committed by undocumented men, including the tragic recent killing of Maryland mom Rachel Morin. —Anita Chabria, Los Angeles Times, 25 June 2024

Or what made Charlie sway her when Maria had been harping on what a threat Ben was the whole episode? —Brian Moylan, Vulture, 27 Mar. 2024