Phrase
shoot one's mouth off
/ʃuːt wʌnz mauθ ɔf/
verb
随口乱说；信口开河
speak spontaneously and without restraint
- 1.
speak spontaneously and without restraint
信口开河；毫无拘束地说
信口开河；毫无拘束地说；(非正式)胡吹；随便乱说
In use
He always shoots his mouth off about things he knows nothing about.
During the meeting, she shot her mouth off and offended several colleagues.
Stop shooting your mouth off and listen to what others have to say.
Verb forms
base shoot one's mouth off · third person shoots one's mouth off · -ing shooting one's mouth off · past shot one's mouth off · past participle shot one's mouth off
非正式用法，指不假思索地乱说或吹牛。
Dictionary facts from ECDICT, WIKTIONARY.