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Is there a ことわざ which means "don't talk about things you don't understand"?
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2016-04-03T16:21:51.290
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2019-03-24T04:41:08.417
2016-04-03T16:36:50.113
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question
set-phrases word-requests
ことわざ for staying out of things you don't understand
There is commonly an used phrase which has the meaning as you say, it is
知ったかぶり but it isn't ことわざ.

In ことわざ, 知らざるを知らざると為せ是知るなり is the one but it isn't common. The meaning is that
"知っていることと知らないことをはっきり区別し、知らないことは知らないと認めるのが本当に知ることだということ (Distinguishing what
you know and you don't know, and it is truly knowing to accept what you don't
know without pretending to know them.)"
CC BY-SA 4.0
2016-04-03T17:05:04.950
33338
2019-03-24T04:41:08.417
2019-03-24T04:41:08.417
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answer