愚痴を言うことができる
(人に向かってなら)to abuse one―revile one―rail at or against one―call one names―call one by hard names―make insulting remarks―(蔭でなら)―speak ill of one (behind one's back)―backbite one―stab one in the back―talk against one―whisper against one―calumniate one―slander one―make malicious remarks―throw dirt at one―pick one to pieces―pull one to pieces―talk scandal―make free with one's fame―take liberties with one's reputation
悪口を言うこと
うそを言う
寝言をいう.
to exaggerate the truth―stretch the truth―magnify the truth―pile it up―make a mountain of a mole-hill
have a moan
うるさく言う