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Open the tool →空口无凭 (kōng kǒu wú píng) is a Chinese idiom (chengyu) meaning “Mere words are no proof”.
空口无凭 is pronounced kōng kǒu wú píng in Mandarin Chinese.
Literally, 空口无凭 means “empty mouth no proof”. It is used to mean “Mere words are no proof”.
单凭嘴说而没有什么作为凭据。只要用实物来证明。