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   English
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not that I know of
gen. принаймні, мені про це нічого не відомо ("She didn't file a complaint, not that I know of," he said. • Still no explanation (At least, not that I know of). 4uzhoj); принаймні, наскільки я знаю ("She didn't file a complaint, not that I know of," he said. • Still no explanation (At least, not that I know of). 4uzhoj)
 English thesaurus
not that I know of
gen. judging from the information I have, the answer is no