not that I know ofused to say that you think the answer is ‘no’ but there may be facts that you do not know about 据我所知没有 ‘Did he call earlier?’ ‘Not that I know of.’ “他早些时候来过电话吗？”“据我所知没有。”
not that I know of• "Did anyone call for me?" "Not that I know of."• Answer, not that I know of.
→ not that I know of at know1(SPOKEN SECT)