光說不做 [－说－－]

Jyutping gwong1 syut3 bat1 zou6
Pinyin guāng shuō bù zuò

Definitions (CC-CEDICT)
  1. (idiom) to be all talk and no action; to preach what one does not practice
Definitions (Wiktionary)
  1. phrase, idiomatic
    all talk and no action; all bark and no bite
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    不要光说不做！
    不要光說不做！
    bù yào guāng shuō bù zuò ！
    • No sooner said than done.