Have the intended effect (3,4)
I believe the answer is:
hit home
(Other definitions for hit home that I've seen before include "make impact" , "Strike a chord" .)
I've seen this clue in The Sun.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.