noun
inscrutable stratagem; ingenious scheme
A yojijukugo describing a plan or strategy so brilliant and subtle that it is beyond ordinary comprehension. Often used in historical or literary contexts.
諸葛亮の神機妙算は、敵を翻弄した。
Zhuge Liang's inscrutable stratagems baffled the enemy.
Similar yojijukugo also meaning a divinely inspired plan, but 神機妙算 emphasizes the subtlety and ingenuity of the scheme.
A yojijukugo of Chinese origin, combining 神 (divine), 機 (mechanism/opportunity), 妙 (exquisite), and 算 (calculation/plan). The exact historical derivation is uncertain.