have an axe to grind

have an axe to grind

to have a strong opinion about something, which you are often trying to persuade other people is correct As a novelist, he has no political axe to grind.
See also: axe, grind, have
References in periodicals archive ?
There may be people who have an axe to grind, who wrote off Longbridge back in 2000, and who never forgave the employees there for rewriting the script and proving them wrong.