杞国之忧
qǐ​guó​zhī​yōu

groundless fears

  1. 杞国 杞國 qǐ​guó
    State of Qi
    The State of 杞 qǐ in modern 杞县 qǐ​xiàn, Henan; it was a small vassal state of Shang and Western Zhou (c. 1500-445 BC).
  2. 之 zhī particle
    [possessive]
    Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.
  3. 忧 憂 yōu nounadjective
    worry
    anxiety; care; a source of concern or trouble