to speak at will or irresponsibly; to blurt out nonsense without thinking

To speak off the cuff or opine casually while disregarding or twisting the facts; specifically used when someone makes groundless or malicious criticisms. This term is stronger than [[信口开河|信口開河|xin4 kou3 kai1 he2]], which focuses more on talking nonsense or rambling without responsibility.

To speak without thinking; to blurt out whatever comes to mind without regard for the facts.

to speak without thinking or blurt things out; to talk nonsense or chatter aimlessly

to speak without thinking; to blurt out or ad-lib