report (to a higher authority)

World Journal

Central Intelligence Agency

People's Daily

Requite love with hate; requite kindness with ingratitude

communiqué

vent personal spite under guise of public action

one might suffer from terrible consequences when all they had in mind is revenge / revenge has been taken by both opposing parties on each other endlessly

report

Southern Metropolis Daily, a newspaper in Guangzhou

to die [colloquial]

report

return

return on investment (ROI)

karma

to repay or retribute

Earthquake forecast

to disclose incriminating information about someone

avenge

avenge deep hatred

respond with

to sing Christmas carol; to spread the good news

to quote

press

report (to a place)

register

report

report; written report

serve the country

report a dream