毕其功于一役
bì​qí​gōng​yú​yī​yì

to accomplish the whole task at one stroke

  1. 毕 畢 bì verb
    to finish
    (bound form) to finish; to complete; to conclude
  2. 其 qí pronoun
    [third-person possessive]
    his; her; its; their; refers back to a person or thing mentioned previously
  3. 功 gōng verbnoun
    achievement
    achievement; result; success; a positive outcome from effort
  4. 于 於 yú preposition
    in
    Indicates a location, scope, or time; equivalent to 在 zài
  5. 一 yī numeral
    one
    one; the number 1; single; alone
  6. 役 yì noun
    campaign
    (bound form) a battle, war, or military campaign; a major event or conflict