一蹴而就
yī​cù'ér​jiù

to succeed in one step

  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 蹴 cù
    to tread
    (bound form) to step on; to tread on; to stamp
  3. 而 ér particleconjunction
    [resultative linker]
    Used in certain constructions to indicate that the second action or state follows immediately from or is the result of the first, as in 一 yī...ér...
  4. 就 jiù particle
    to accomplish
    (bound form) To complete; to achieve; to finish.