不bù
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Meanings
1. no; not so
2. (bound form) not; un-
Characters used
Examples2497
Either you or I am right.
I don't know, nor do I care.
I don't know and neither does he.
Those who know do not talk. Those who talk do not know.
We do not know if he is coming or not.
I don't know what I don't know.