harp on (something)

harp on (something)

To continue to mention or complain about some issue in a persistent and irritating manner. It was one mistake—why do you keep harping on it? I don't want to harp on this issue any longer, but I really need it to be resolved today.
See also: harp, on
Farlex Dictionary of Idioms.

harp on someone or something

Fig. to keep talking or complaining about someone or something; to refer to someone or something again and again. I wish you would quit harping on Jeff all the time. He couldn't be all that bad. Stop harping on my mistakes and work on your own.
See also: harp, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

harp on

Dwell on; talk or write about to a tedious and excessive extent. For example, She kept harping on the fact that she had no household help at all. This expression is a shortening of harp on the same string, meaning "to play the same note over and over." It was first recorded in 1518.
See also: harp, on
The American Heritage® Dictionary of Idioms by Christine Ammer.

harp on

v.
To talk about something to an excessive and tedious degree; dwell on something: Every day my teacher harps on the importance of getting to class on time.
See also: harp, on
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • keep harping on
  • keep harping on (someone or something)
  • harp on about (someone or something)
  • keep harping on about (someone or something)
  • harp on
  • harp on (one) (about something)
  • gripe
  • gripe about (someone or something)
  • gripe at
  • gripe at (someone)