随口乱说；信口开河
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随口乱说；信口开河
speak spontaneously and without restraint
He always shoots his mouth off about things he knows nothing about.
他总是对他一无所知的事情胡吹。
信口开河；毫无拘束地说
speak spontaneously and without restraint
shoot one's mouth off
Base
原形
shoots one's mouth off
3rd person
第三人称单数
shooting one's mouth off
-ing
现在分词
shot one's mouth off
Past
过去式
shot one's mouth off
Past participle
过去分词
He always shoots his mouth off about his plans.
他总是胡吹他的计划。
Yesterday, he shot his mouth off and offended everyone.
昨天他随便乱说，得罪了所有人。
Stop shooting your mouth off; you don't know what you're talking about.
别胡吹了，你根本不知道你在说什么。
非正式用法，指不假思索地乱说或吹牛。
During the meeting, she shot her mouth off and offended several colleagues.
会议期间，她信口开河，得罪了几位同事。
Stop shooting your mouth off and listen to what others have to say.
别再说大话了，听听别人怎么说。
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Dictionary facts from ECDICT, WIKTIONARY.