noun
plural harps
[count] :a musical instrument that has strings stretched across a large open frame and that is played with your fingers
verb
harps; harped; harping
harp at
[phrasal verb]
harp at (someone) US informal :to tell (someone) constantly or repeatedly to do something
harp on
[phrasal verb]
US harp on (something) or Brit harp on about (something) informal :to talk about (a subject) constantly or repeatedly in an annoying way
US