遂其所愿
suì​qí​suǒ​yuàn

to have one's wish come true

  1. 遂 suì
    to fulfill
    (bound form) to satisfy; to fulfill (one's wishes); to succeed; to achieve
  2. 其 qí pronoun
    [third-person possessive]
    his; her; its; their; refers back to a person or thing mentioned previously
  3. 所 suǒ particle
    [relative]
    Used before a verb to form a noun-like phrase representing the object of the action, meaning "that which" or "what".
  4. 愿 願 yuàn nounverb
    wish
    (bound form) A wish, hope, or desire that one wants to achieve in the future; an aspiration.