百ひゃく日にち天てん下か

noun

very short-lived regime; Hundred Days (Napoleon)

Refers to a brief period of rule, often used metaphorically for any short-lived administration. The literal historical reference is Napoleon's return from Elba in 1815.

• 彼かれの政せい権けんは百ひゃく日にち天てん下かに終おわった。

  His administration turned out to be a very short-lived regime.

• ナポレオンの百ひゃく日にち天てん下かは歴れき史しの教きょう科か書しょに載のっている。

  Napoleon's Hundred Days are in the history textbooks.