to tell on sb, to complain (to a teacher, a superior etc), to bring a lawsuit

acknowledge, expose, divulge, disclose, intimation, notify, impart, inform, communicate, apprize, notification, advise, give notice, assure, reveal, let on, tell, discover, acquaint, let out, send word, declare, instruct, apprise, break, give away, bring out

一种鸟，象征和平

announcement

(把东西)放在某地或某处

(对下级或者子女等)警告、劝说