查无实据 cháwúshíjù unsubstantiated Origin Definitions Defs Strokes Stroke Words Sentences Sents 查 chá verb to check to check; to investigate; to examine; to look up (e.g. in a dictionary or reference)无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less实据 實據 shíjù substantial evidence factual evidence; reliable and solid proof