Longman Dictionary of Contemporary English - complain

~ v 1 T not in passive) to say that you are annoyed, dissatisfied, or unhappy about something or someone  (They've already been given a 10% raise so why are they complaining? | "You never ask my opinion about anything," Rod complained.) + abou  (She often complains about not feeling appreciated at work.) complain (that)  (People complain that they don't get enough information. | complain to sb)  (Neighbours complained to the police about the dogs barking. | complain bitterly)  (Employees complained bitterly about working conditions.) 2 can't complain spoken used to say that a situation is satisfactory generally in spite of the fact there may be a few problems  (Old age is creeping up, but I can't complain.) complain of sth phr v to say that you feel ill or have a pain in a part of your body  (Dan's been complaining of severe headaches recently.)