guāng​shuō​bù​liàn

all talk and no action

  1. guāng adverb
    merely
    merely; solely; only
  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 practice
    to practice; to train; to drill; to exercise one's skills