口说无凭 kǒushuōwúpíng oral agreement is not binding Origin Definitions Defs Strokes Stroke Words Sentences Sents 口 kǒu nounverb speech speech; words; one's tone of voice or accent说 說 shuō verb to say to say; to speak; to talk; to express in words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