空口无凭 kōngkǒuwúpíng verbal statement is no guarantee Origin Definitions Defs Strokes Stroke Words Sentences Sents 空口 kōngkǒu empty talk To speak without taking action or to make claims without evidence; to prattle or give empty promises.无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less凭 憑 píng noun [evidence] (bound form) evidence; proof; testimony