queja
1 (reclamación) (gen) complaint; (refunfuñando) grumble; grouse (familiar); (con rencor) grudge; resentment
una queja infundada an unjustified complaint; presentar una queja to make o lodge a complaint; tener queja de algn to have a complaint to make about sb; tener motivo de queja to have cause for complaint; estoy harto de tus quejas I'm tired of your complaining