To talk nonsense; to make things up on the spur of the moment; to speak casually and irresponsibly.
他面对提问，一时语塞，只好随口胡诌了几句来应付
Faced with the question, he was momentarily speechless and could only make up a few casual remarks to cope.
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To talk nonsense; to make things up on the spur of the moment; to speak casually and irresponsibly.