zhǐ​shuō​bù​zuò

to be all talk and no action

  1. zhǐ adverb
    only
    only; merely; just; limited to a certain scope or amount
  2. to say
    to say; to speak; to talk; to express in words
  3. adverb
    not
    Negative adverb used before verbs, adjectives, and other adverbs to indicate negation; also used as a bound-form prefix to form terms with opposite meanings
  4. to do
    To do, perform, or engage in a task or activity; to carry out work