奇き貨か

noun

curiosity; rare item; rarity

Refers to something unusual and valuable because of its scarcity. Often used in the set phrase 奇貨居くべし (a rare opportunity not to be missed).

• この古こ書しょはまさに奇き貨かだ。

  This old book is truly a rare find.

noun

rare opportunity; golden chance

A chance that is both unusual and potentially very advantageous. The cross-reference to 好機 suggests a nuance of a favorable opening.

See also: 好機

• 彼かれの提てい案あんは奇き貨かだ。逃のがす手てはない。

  His proposal is a rare opportunity. We can't afford to miss it.