Definitions for "Complain"
Keywords:  lament, creak, bewail, censure, murmur
To give utterance to expression of grief, pain, censure, regret. etc.; to lament; to murmur; to find fault; -- commonly used with of. Also, to creak or squeak, as a timber or wheel.
To lament; to bewail.
To make a formal accusation; to make a charge.
Keywords:  intervene, asked, letter, send, problem
to send a message there is a problem. A consumer might complain with a phone call or letter to the seller. If this does not work, a government agency or the courts may be asked to intervene.