说时迟，那时快
shuō​shí​chí​nà​shí​kuài

no sooner said than done

  1. 说 說 shuō verb
    to say
    to say; to speak; to talk; to express in words
  2. 时 時 shí particlepreposition
    when
    the time when something happens; used after a verb or clause to mean "at the time of" or "when"
  3. 迟 遲 chí adjectiveverb
    slow
    (bound form) slow; sluggish; lacking speed
  4. ， nà
    non-Chinese
  5. 那 nà determinerpronoun
    that
    Specifies a person or thing further away (opposite of 这 zhè); (spoken) contraction of 'nà' and 一 yī, used before a measure word or numeral.
  6. 时 時 shí particlepreposition
    when
    the time when something happens; used after a verb or clause to mean "at the time of" or "when"
  7. 快 kuài adjective
    fast
    rapid; quick; at high speed